Resume of Dr. Yusaku FUJII

Gunma University > Fujii Laboratory
@

Resume
of Dr. Yusaku FUJII

Yusaku FUJII was born in Tokyo, Japan, in 1965. He received the B.E., M.E. and Ph.D. degrees from Tokyo University, Tokyo, Japan, in 1989, 1991 and 2001, respectively. He is a Japanese citizen.

<Present appointment>
Professor
Department of Mechanical Science and Technology
School of Science and Technology
Gunma University
1-5-1 Tenjincho, Kiryu 376-8515, Japan

<Academic qualifications>
28 March 1989, B.E. (Bachelor of Engineering) conferred by the University of Tokyo.
29 March 1991, M.E. (Master of Engineering) conferred by the University of Tokyo.
15 March 2001, Dr. Eng (Doctor of Engineering) conferred by the University of Tokyo.

<Work Experience>
1991-1995: Kawasaki Steel Corp., Japan
      Mechanics in hot rolling process
1995-2001: National Research Laboratory of Metrology (NRLM), AIST, Japan
      Superconducting magnetic levitation for connecting mechanical and electrical quantities
     Mechanical quantities measurement using a levitated mass
     Mass measurement under microgravity conditions
2001-2002: AIST (National Institute of Advanced Industrial Science and Technology)
2002-: Gunma University

<Membership>
President, (Non-Profit Organization) e-JIKEI Network Promotion Institute
Member, The Society for Instrument and Control Engineers of Japan (SICE), Technical Committee for Measurement Mechanical Quantities
Member, Science Council of Japan (SCJ), Hyoujun-kenkyu-renraku-iinkai, Kiso-Jousuu-syo-iinkai (a small committee on fundamental physical constants).
Member, Editorial board of the Journal of the Society of Instrument and Control Engineers (SICE)
Member, The American Institute of Aeronautics and Astronautics (AIAA)
Member, The American Society of Mechanical Engineers (ASME)
Member, The Society for Experimental Mechanics (SEM)
Member, The Japan Society of Applied Physics (JSAP)
Member, The Society for Instrument and Control Engineers (SICE)
Member, The Japan Society of Mechanical Engineers (JSME)
Member, The Japanese Society of Tribologists (JAST)

<Major Research Field>
Dr. Fujii has studied the wide fields, such as the instrumentation engineering, the mechanical engineering, the applied physics and the absolute determination of the fundamental constants.
His major research subjects are as follows,
* Instrumentation engineering
* Mechanical quantities measurement
* Optical measurement
* The Levitation Mass Method (invention and development)
* Dynamic calibration methods for force transducers using The Levitation Mass Method
* Material testing methods using The Levitation Mass Method (strength, bending, impact, oscillation, viscoelasticity, friction, etc.)
* Micro-Newton Level forces using The Levitation Mass Method (generation and measurement)
* Method for measuring mass under micro-gravity condition (The Space Balance, invention and development)
* Fundamental constants
* Low temperature experiment
* Fluid dynamics
* Plasticity dynamics
* Numerical calculation
* The e-JIKEI Network (invension and development) see www.e-jikei.org

<Publications in Journals>

(1)   H. Kato, Y. Fujii, H. Yamaguchi and M. Miyanaga, gFrictional drag reduction by injecting high-viscosity fluid into turbulent boundary layerh, ASME J. Fluid Eng., Vol.115, pp.206-212, 1993.

(2)   Y. Fujii, H. Matsumoto and I. Fujima, gMeasurement of long gauge blocks using fringe-counting interferometer and subgauge blocks with linesh, Metrologia, Vol.33, pp.41-48, 1996.

(3)   Y. Hoshi, M. Kitahama, M. Okada, H. Yoneda, H. Shiomi and Y. Fujii, gAutomatic width control system using interstand tension in hot strip finishing millh, La Revue de Metallurgie-CIT, Vo.93, No.11, pp.1413-1420, 1996.

(4)   Y. Fujii, F. Shiota, Y. Miki, Y. Nezu, T. Makishita and K. Hara, gA buoyancy-free mass comparator with precision better than 10-6 for use in a superconducting magnetic levitation systemh, IEEE Trans. Instrum. Meas., Vol. 46, No. 2, pp. 609-612, 1997.

(5)   Y. Fujii, F. Shiota, Y. Miki, K. Nakayama and T. Morokuma, gVertical displacement determination of a levitated superconducting mass", IEEE Trans. Instrum. Meas., Vol. 48, No. 2, pp.200-204, 1999.

(6)   Y. Fujii, H. Fujimoto and S. Namioka, gMass measurement under weightless conditionsh, Rev. Sci. Instrum., Vol. 70, No.1, pp.111-113, 1999.

(7)   Y. Fujii and H. Fujimoto, gProposal for an impulse response evaluation method for force transducersh, Meas. Sci. Technol., Vol. 10, No.4 pp. N31-N33, 1999.

(8)   Y. Fujii and H. Fujimoto, gMeasurements of frictional characteristics of a pneumatic linear bearingh, Meas. Sci. Technol., Vol.10, No.5, pp.362-366, 1999.

(9)   Y. Fujii, Y. Miki, F. Shiota and R. Watanabe, gLiquid helium transfer using a mass-flow controller", Rev. Sci. Instrum., Vol. 70, No.10, pp.4110-4113, 1999.

(10)Y. Fujii, K. Ogushi and T. Tojo, gA proposal for a dynamic-response-evaluation method for torque transducersh, Meas. Sci. Technol, Vol.10, No.12, pp. N142-N144, 1999.

(11)F. Shiota, Y. Miki, Y. Fujii, T. Morokuma and Y. Nezu, "Evaluation of equilibrium trajectory of superconducting magnetic levitation system for the future kg unit of massh, IEEE Trans. Instrum. Meas., Vol. 49, No.5, pp.117-1121, 2000.

(12)Y. Fujii, E. Frantsuz, Y. Miki, F. Shiota and V. Khavinson, "Simulation algorithm for superconducting magnetic levitation system", Jpn. J. Appl. Phys., Vol. 39, No.6A (June issue), pp.3694-3695, 2000.

(13)Y. Fujii, D. Isobe, S. Saito, H. Fujimoto and Y. Miki, gA method for determining the impact force in crash testingh, Mech. Syst. Signal Pr.,, Vol.14, No.6, pp.959-965, 2000.

(14)Y. Fujii, gPossible application of mass levitation to force measurementh, Metrologia, Vol.38, No.1, pp.83-84, 2001.

(15)Y. Fujii, Y. Miki, F. Shiota and T. Morokuma, gMechanism for levitated superconductor experimenth, IEEE Trans. Instrum. Meas., Vol.50, No.2, pp.580-582, 2001.

(16)Y. Fujii, H. Fujimoto, R. Watanabe, Y. Miki, gBalance for measuring mass under microgravity conditionsh, AIAA Journal, Vol.39, No.3, pp.455-457, 2001.

(17)Y. Fujii, gMeasurement of impulse response of force transducersh, Rev. Sci. Instrum., Vol.72, No.7, pp. 3108-3111, 2001.

(18)Y. Fujii, gDynamic three-point bending tester using inertial mass and optical interferometerh, Optics and Lasers in Engineering, Vol.38, No.5, pp.305-318, 2002D

(19)Y. Fujii, gEvaluation of impulse response of commercial force transducersh, Measurement, Vol.33, No.1, pp.35-45, 2003D

(20)Y. Fujii, gMeasurement of steep impulse response of a force transducerh, Meas. Sci. Technol., Vol. 14, No.1 pp. 65-69, 2003.

(21)Y. Fujii, gMeasurement of force acting on a moving part of a pneumatic linear bearingh, Rev. Sci. Instrum., Vol.74, No.6, pp.3137-3141, 2003.

(22)Y. Fujii, gA method for calibrating force transducers against oscillation forceh, Meas. Sci. Technol., Vol. 14, No.8, pp. 1259-1264,2003.

(23)Y. Fujii, gProposal for a step response evaluation method for force transducersh, Meas. Sci. Technol., Vol. 14, No.10, pp. 1741-1746, 2003

(24)Y. Fujii and T. Yamaguchi, gMethod for evaluating material viscoelasticityh, Rev. Sci. Instrum., Vol.75, No.1, pp.119-123, 2004.

(25)Y. Fujii, gAn optical method for evaluating frictional characteristics of linear bearingsh, Optics and Lasers in Engineering, Vol.42, No.5, pp.493-501, 2004.

(26)Y. Fujii and T. Yamaguchi, gOptical method for evaluating material frictionh, Meas. Sci. Technol., Vol. 15, No.10, pp. 1971-1976, 2004.

(27)Y. Fujii, N. Yoshiura and N. Ohta, "Creating a worldwide community security structure using individually maintained home computers: The e-JIKEI Network Project", Social Science Computer Review, Vol.23, No.2, pp. 250-258, 2005.

(28)Y. Fujii, gMicroforce materials testerh, Rev. Sci. Instrum. Vol.76, No.6, 065111-1-7, 2005.

(29)Y. Fujii and T. Yamaguchi, hProposal for material viscoelasticity evaluation method under impact load h, Journal of Materials Science, Vol.40, No.18, pp.4785 – 4790, 2005.

(30)Y. Fujii, N. Yoshiura and N. Ohta, " Community security by widely available information technologyh, Journal of Community Informatics, Vol. 2, No. 1, 2005.

(31)T. Suzuki, Y. Fujii and J. Valera, gOptical method for strength test for general industrial productsh, Mech. Syst. Signal Pr., Vol.20, No.3, pp.735-744, 2006.

(32)Y. Fujii, gOptical method for accurate force measurement: dynamic response evaluation of an impact hammerh, Opt. Eng., Vol. 45, No. 2, 023002-1-7, 2006.

(33)Y. Fujii, gPendulum for precision force measurementh, Rev. Sci. Instrum., Vol. 77, No.3, 035111-1-5, 2006.

(34)Y. Fujii and J. Valera, gImpact force measurement using an inertial mass and a digitizerh, Meas. Sci. Technol., Vol.17, No.4, pp. 863-868, 2006.

(35)Y. Fujii, gMethod for generating and measuring the micro-Newton level forcesh, Mech. Syst. Signal Pr., Vol.20, No.6, pp.1362-1371, 2006.

(36)Y. Fujii, T. Yamaguchi and J. Valera, gImpact response measurement of a human armh, Exp. Techniques, Vol.30, No.3, pp.64-68, 2006.

(37)Y. Fujii, gMethod of evaluating the dynamic response of materials to forced oscillationh, Meas. Sci. Technol., Vol.17, No.7, pp. 1935-1940, 2006.

(38)Y. Fujii, gFrictional characteristics of an aerostatic linear bearingh, Tribol. Int., Vol.39, No.9, pp.888-896, 2006.

(39)Y. Fujii and T. Yamaguchi, gMethod of evaluating the force controllability of human fingerh, IEEE Trans. Instrum. Meas., Vol.55, No.4, pp.1235-1241, 2006.

(40)T. Yamaguchi, Y. Fujii, K. Nagai and S. Maruyama, gFEA for vibrated structures with non-linear concentrated spring having hysteresish, Mech. Syst. Signal Pr., Vol.20, No.8, pp.1905-1922, 2006.

(41)Y. Fujii and K. Shimada, gInstrument for measuring the mass of an astronauth, Meas. Sci. Technol., Vol.17, No.10, pp.2705-2710, 2006.

(42)Y. Fujii, gMeasurement of the electrical and mechanical responses of a force transducer against impact forcesh, Rev. Sci. Instrum., Vol.77, No.8, 085108-1-5, 2006.

(43)Y. Fujii and T. Yamaguchi, gDynamic characteristics measurements of a car wiper bladeh, JSME Int. J. C, Vol.49, No.3, pp.799-803, 2006.

(44)H. Ueda, Y. Fujii, S. Kumakura, N. Yoshiura and N. Ohta, "e-JIKEI Network Project/Japan: Enhancing community security", eGov, Vol.11, No.12, pp.9-11, 2006.

(45)Y. Fujii, gPossible applications of the Levitation Mass Method to precision mechanical measurementsh, J. Chinese S. Mech. Eng., Vol.27, No.5, pp.519-523, 2006.

(46)Y. Fujii, gMethod for correcting the effect of the inertial mass on dynamic force measurementsh, Meas. Sci. Technol., Vol.18, No.5, pp.N13-N20, 2007.

(47)Y. Fujii, gImpact response measurement of an accelerometerh, Mech. Syst. Signal Pr., Vol.21, No.5, pp.2072-2079, 2007.

(48)Y. Fujii, gMicroforce materials tester based on the levitation mass methodh, Meas. Sci. Technol., Vol.18, No.6, pp.1678-1682, 2007.

(49)Y. Fujii, gMethod of generating and measuring static small force using down-slope component of gravityh, Rev. Sci. Instrum., Vol.78, No.6, 066104-1-3, 2007.

(50)Y. Fujii, gMethod for measuring transient friction coefficients for rubber wiper blades on glass surfaceh, Tribol. Int., Vol.41, No.1, pp.17-23, 2008.

(51)Y. Fujii and D.W. Shu, gImpact force measurement of an actuator arm of a hard disk driveh, Int. J. Impact Eng., Vol.35, No.2, pp.98-108, 2008.

(52)Y. Fujii and K. Shimada, gThe space scale: An Instrument for astronaut mass measurementh, Trans. Jpn. Soc. Aeronaut. Space Sci., Vol.50, No.170, pp.251-257, 2008.

(53)S. Hashimoto and Y. Fujii, gMaterial tester using a controlled oscillator and an inertial massh, Key Engineering Materials, Vols. 381-382, pp 457-460, 2008.

(54)K. Shimada and Y. Fujii, gReconsideration of body mass measurement on the International Space Station and beyondh, Key Engineering Materials, Vols. 381-382, pp 461-464, 2008.

(55)Y. Fujii, K. Shimada, M. Yokota, S. Hashimoto, Y. Sugita and H. Ito, gMass measuring instrument for use under microgravity conditionsh, Rev. Sci. Instrum., Vol.79, No.5, 056105-1-3, 2008.

(56)Y. Fujii, gThe Levitation Mass Method: A precision mass and force measurement techniqueh, International Journal of Precision Engineering and Manufacturing, Vol.9, No.3, pp.46-50, 2008.

(57)M. Parlapalli, B. Gu, D.W. Shu and Y. Fujii, gDynamic Response Measurement of the Head Arm Assembly of a Hard Disk Driveby Numerical Analysis and Experimentsh, International Journal of Precision Engineering and Manufacturing, Vol.9, No.4, pp.22-25, 2008.

(58)Y. Fujii, N. Ohta, H. Ueda, Y. Sugita and N. Yoshiura, gNew concept regarding management of security camerash, Journal of Community Informatics, Vol. 4, No. 3, 2008.

(59)Y. Fujii, gToward dynamic force calibrationh, Measurement, Vol.42, No.7, pp.1039-1044, 2009

(60)Y. Fujii and K. Maru, gMaterial testing method using small forces based on the Levitation Mass Method (LMM)h, Journal of Materials Science and Engineering, Vol.3, No.6, pp.9-16, 2009

(61)Y. Fujii, K. Maru, D. W. Shu, B. Gu, T. Yamaguchi, R.S. Lu, T. Jutanggoon and P. P. Yupapin, "Material tester with static and dynamic micro forces", Physics Procedia, Vol.2, No.1, pp.5-11, 2009.

(62)B. Gu, D. W. Shu, Y. Fujii, K. Maru, B. J. Shi and Y. Liu, "Shock pulse width effects in operational drop test simulation of a small form factor disk drive with sub-10 nm air bearing slider", Physics Procedia, Vol.2, No.1, pp. 13-17, 2009.

(63)L. Zhang, S. Zhang, Z. Lufei and Y. Fujii, "Nanometer-resolution displacement measurement system based on weak feedback effect of dual-frequency laser", Physics Procedia, Vol.2, No.1, pp. 19-26, 2009.

(64)K. Srinuanjan, Y. Fujii, P. Chaiyachet and P. P. Yupapin, "Proposed nano-scale sensing transducer using nano-waveguide for dynamic measurement applications", Physics Procedia, Vol.2, No.1, pp. 27-31, 2009.

(65)K. Maru, Y. Fujii, S. Zhang and W. Hou, "Proposed design for high precision refractive index sensor using integrated planar lightwave circuit", Physics Procedia, Vol.2, No.1, pp. 39-44, 2009.

(66)K. Maru, Y. Fujii, T. Obokata, T. Ishima, P. P. Yupapin, N. Pornsuwancharoen and T. Juthanggoon, "Design of integrated scanning laser Doppler velocitmeter using arrayed waveguide gratings" Physics Procedia, Vol.2, No.1, pp. 45-51, 2009.

(67)K. Maru, Y. Fujii and Kazuhito Shimada, "Small mass measurement system for use under microgravity conditions", Physics Procedia, Vol.2, No.1, pp. 59-65, 2009.

(68)Z. Zhao, Q. Xu, W. Hou, Y. Fujii and K. Maru, "Digital micro-mirror device based modulator for microscope illumination", Physics Procedia, Vol.2, No.1, pp. 87-91, 2009

(69)K. Maru and Y. Fujii, gWavelength-insensitive laser Doppler velocimeter using beam position shift induced by Mach-Zehnder interferometersh, Optics Express, Vol.17, No.20, pp.17441-17449, 2009.

(70)K. Maru and Y. Fujii, gReduction of chromatic dispersion due to coupling for synchronized-router-based flat-passband filter using multiple-input arrayed waveguide grating,h Optics Express, Vol. 17, No. 24, pp. 22260-22270, Nov. 2009.

(71)Y. Fujii and J. P. Hessling, gFrequency estimation method from digitized waveformh, Experimental Techniques, Vol.33, No.5, pp.64-69, 2009.

(72)F. H. Suhailin, J. Ali, P. P. Yupapin, Y. Fujii, H. Ahmad, and S. W. Harun, gStopping and storing light pulses within a fiber optic ring resonatorh, Chinese Optics Letters, Vol. 7, No.9, pp.778-780, 2009.

(73)Y. Fujii, gToward establishing dynamic calibration method for force transducersh, IEEE Trans. Instrum. Meas., Vol.58, No.7, pp.2358-2364, 2009.

(74)B. Gu, D. Shu, Y. Fujii and B. Shi, gDynamic force measurement of a head arm assembly of a hard disk drive by numerical analysis and experimentsh, IEEE Trans. Magnetics, Vol. 45, No. 11, pp.5034-5037, 2009.

(75)K. Maru and Y. Fujii, gIntegrated wavelength-insensitive differential laser Doppler velocimeter using planar lightwave circuith, Journal of Lightwave Technology, Vol. 27, No. 22, pp. 5078-5083, Nov. 2009.

(76)Y.Fujii, K. Shimada, K. Maru, M. Yokota, S. Hashimoto, N. Nagai and Y. Sugita, gInstrument for Measuring the Body Mass of Astronauth, Trans. Jpn. Soc. Aeronaut. Space Sci. Space Technol. Jpn., Vol.7, Th_1-Th_6  (2009)

(77)Y. Fujii, P. Yupapin and N. Pornsuwancharoen, gA proposal of a high resolution tunable laser source generationh, Microwave and Optical Technology Letters, Vol. 52, No. 2, pp.406-408, 2010.

(78)Y. Fujii and K. Maru, gOptical method for evaluating dynamic friction of a small linear ball bearingh, Tribology Transactions, Vol. 53, No. 2, pp.169-173, 2010.

(79)K. Maru, K. Kobayashi, and Y. Fujii, gMulti-point differential laser Doppler velocimeter using arrayed waveguide gratings with small wavelength sensitivity,hOptics Express, Vol. 18, No. 1, pp. 301-308, Jan. 2010.

(80)Y. Fujii, K. Shimada and K. Maru, gInstrument for measuring the body mass of astronauts under microgravity conditionsh, Microgravity Science and Technology, Vol. 22, No. 1, pp. 115-121, 2010.

(81)T. Yamaguchi and Y. Fujii, gDynamic analysis by FEM for a measurement system to observe viscoelasticity using levitation mass methodh, International Journal of Advanced Manufacturing Technology, Vol. 46, No. 9-12, pp. 885-891, 2010.

(82)K. Kobayashi, K. Maru, N. Ohta, N. Yoshiura, H. Ueda, P. Yupapin, Y. Fujii, gCreating worldwide community safety with present technology and privacy protection: The e-JIKEI Network projecth, Procedia - Social and Behavioral Sciences, Vol.2, No.1, pp.6-13, 2010.

(83)K. Maru, Y. Fujii, Y. Sugita, N. Ohta, N. Yoshiura, H. Ueda, S. Shiraki, gSecurity of communities based on the e-JIKEI Network with information technology and altruismh, Procedia - Social and Behavioral Sciences, Vol.2, No.1, pp.88-94, 2010.

(84)S. Hommoh, K. Maru, K. Kobayashi, Y. Eguchi, Y. Sugita, M. Yokota, N. Ohta, H. Ueda, Y. Fujii, gA review of Dairi EYE Lock in security camera system with privacy protectionh, Procedia - Social and Behavioral Sciences, Vol.2, No.1, pp.95-99, 2010.

(85)M. Sonoda, K. Maru, K. Kobayashi, M. Salehuddin B. Sufian, Y. Sugita, R. Sakurai, Y. Fujii, gSocial experiment for security camera which protects privacy embedded in vending machineh, Procedia - Social and Behavioral Sciences, Vol.2, No.1, pp.100-104, 2010.

(86)T. Yokote, Y. Fujii, K. Maru, N. Yoshiura, N. Ohta, H. Ueda, gIntroduction of security camera system with privacy protection into a residential areah, Procedia - Social and Behavioral Sciences, Vol.2, No.1, pp.105-110, 2010.

(87)T. Jin, H. Hoshino, Y. Fujii, J. Hongzhi, K. Maru, H. Wenmei, gColor estimation base on a giving color estimation PC-based systemh, Procedia - Social and Behavioral Sciences, Vol.2, No.1, pp.120-124, 2010.

(88)N. Nagai, Y. Fujii, H. Ueda, K. Maru, S. Kumakura, gPC-based monitoring system for efficient use of day care centers for elderly peopleh, Procedia - Social and Behavioral Sciences, Vol.2, No.1, pp.204-208, 2010.

(89)T. Jin, H. Jia, W. Hou, R. Yamamoto, N. Nagai, Y. Fujii, "Extracting a circle and its center in a moving dummy mass", Electronics World, Vol.116, pp.22-25, 2010.

(90)Y. Fujii, K. Maru, K. Kobayashi, N. Yoshiura, N. Ohta, H. Ueda and P. Yupapin, ge-JIKEI Network using e-JIKEI Cameras: Community security using considerable number of cheap stand-alone camerash, Safety Science, Vol.48, No.7, pp.921-925, 2010.

(91)Y. Fujii, K. Maru and T. Jin, gMethod for evaluating the electrical and mechanical characteristics of a voice coil actuatorh, Precision Engineering, Vol.34, No.4, pp.802-806, 2010.

(92)Y. Fujii, K. Shimada, K. Maru, J. Ozawa and R. Lu, h A method for direct measurement of the first-order mass moments of human body segmentsh, Sensors, Vol.10, No.10, pp.9155-9162, 2010.

(93)W. Thornton, Y. Fujii and K. Shimada, gMass Measurement in Space, 1964-2010h, Applied Mechanics and Materials, Vol.36, pp.1-8, 2010.

(94)K. Shimada and Y. Fujii, gIssues with Body Mass Measurement on the International Space Station (ISS)h, Applied Mechanics and Materials, Vol.36, pp.9-20, 2010.

(95)Y. Fujii, K. Maru, K. Shimada, T. Jin and W. Thornton, gSpace Balance and Space Scale: Mass Measurement Devices (MMDs)h, Applied Mechanics and Materials, Vol.36, pp.31-40, 2010.

(96)Y. Fujii, K. Maru, T. Jin and T. Yamaguchi, gPrecision Force Measurement Using the Levitation Mass Method (LMM)h, Applied Mechanics and Materials, Vol.36, pp.41-51, 2010.

(97)B. Gu, D. W. Shu, Y. Fujii and B. J. Shi, gDynamic Response Measurement of 1-Inch HDD Head Arm Assemblyh, Applied Mechanics and Materials, Vol.36, pp.52-56, 2010.

(98)M. Jamsai, H. Ebara, N. Pornsuwancharoen, K. Maru and Y. Fujii, gPrecision Force Measurement Using Small Pendulum and Optical Interferometerh, Applied Mechanics and Materials, Vol.36, pp.199-204, 2010.

(99)T. Yamaguchi, Y. Fujii, T. Kanai, K. Nagai and S. Maruyama, gNumerical Simulation of Impact Responses for an Elastic Structure with a Viscoelastic Spring Including Nonlinear Hysteresis Dampingh, Applied Mechanics and Materials, Vol.36, pp.205-209, 2010.

(100)                  T. Yamaguchi, Y. Fujii, T. Fukushima, T. Kanai, K. Nagai and S. Maruyama, gDynamic Responses for Viscoelastic Shock Absorbers to Protect a Finger under Impact Forceh, Applied Mechanics and Materials, Vol.36, pp.287-292, 2010.

(101)                  K. Maru and Y. Fujii, gLaser Doppler Velocimetry Using Integrated Waveguide Technologyh, Applied Mechanics and Materials, Vol.36, pp.323-328, 2010.

(102)                  K. Maru and Y. Fujii, gProposal of Compact Optical System Using Planar Lightwave Circuit for Precision Measurement Based on Levitation Mass Methodh, Applied Mechanics and Materials, Vol.36, pp.329-336, 2010.

(103)                  T. Jin, H. Z. Jia, W. M. Hou, R. Yamamoto, N. Nagai, Y. Fujii, K. Maru, N. Ohta and K. Shimada, gMotion Pose Estimated Based on the Binocular Stereo Camerah, Applied Mechanics and Materials, Vol.36, pp.494-496, 2010.

(104)                  T. Jin, H. Jia, W. Hou, R. Yamamoto, N. Nagai, Y. Fujii, K. Maru, N. Ohta, and K. Shimada, gEvaluating 3D position and velocity of subject in parabolic flight experiment by use of the binocular stereo vision measurementh, Chinese Optics Letters, Vol.8, No.6, pp.601-605, 2010.

(105)                  K. Maru and Y. Fujii, "Differential laser Doppler velocimeter with enhanced range for small wavelength sensitivity by using cascaded Mach-Zehnder interferometers," J. Lightwave Technol., Vol. 28, No. 11, pp. 1631-1637, Jun. 2010.

(106)                  N. Pornsuwancharoen, Y. Fujii, K. Srinuanjan, P.P. Yupapin, gA novel system of the simultaneous trapping of dark–bright solitons within a nano-waveguide systemh, Optik, Vol.121, No.20, pp.1863-1868, 2010.

(107)                  V. Prashyanusorn, Y. Fujii, S. Kaviya, S. Mitatha, P. Yupapin, gSustainable tourism using security cameras with privacy protecting abilityh, Journal of Information Security, 2010, Vol.1, No.2, pp.67-72, 2010.

(108)                  Y. Fujii, K. Maru, T. Jin, P. Yupapin and S. Mitatha, hA method for evaluating dynamical friction in linear ball bearingsh, Sensors, Vol.10, No.11, pp. 10069-10080, 2010.

(109)                  K. Maru, W. Khunnam, L.Y. Hu, R.S. Lu, P. Yupapin and Y. Fujii, gTilt mechanism for precision control of down-slope component of gravitational force for micro force generationh, Key Engineering Materials, Vols. 459, pp. 179-182, 2011.

(110)                  J. Ozawa, K. Maru, K. Kobayashi and Y. Fujii, gMicroforce material tester using small pendulumh, Key Engineering Materials, Vols. 459, pp. 183-189, 2011.

(111)                  K. Maru and Y. Fujii, "Laser Doppler velocimetry for two-dimensional directional discrimination by monitoring scattered beams in different directions," IEEE Sens. J., Vol.11, No.2, pp.312318, 2011.

(112)                  K. Maru, L. Y. Hu, R. S. Lu, Y. Fujii, and P. P. Yupapin, "Two-dimensional laser Doppler velocimeter using polarized beams and 90o phase shift for discrimination of velocity direction," Optik, Vol.122, No.11, pp. 974977, 2011.

(113)                  Suriya Pradisathaporn, Somkuan Kaviya, Yusaku Fujii, Preecha P. Yupapin, gAn Intelligent and Multipurpose Digital Ticket using Ad Hoc Networkh, Procedia Engineering, Vol.8, pp.296-300, 2011.

(114)                  Vacharee Prashyanusorn, Paiboon Prashyanusorn, Somkuan Kaviya, Yusaku Fujii, Preecha P. Yupapin, gThe Use of Security Cameras with Privacy Protecting Abilityh, Procedia Engineering, Vol.8, pp.301-307, 2011.

(115)                  Poonsak Sirichai, Somkuan Kaviya, Yusaku Fujii, Preecha P. Yupapin, gSmart Car with Security Camera for Road Accidence Monitoringh, Procedia Engineering, Vol.8, pp.308-312, 2011.

(116)                  Apatcha Sirichai, Suriya Pradisathaporn, Somkuan Kaviya, Warrachai Wiriyaromp, Yusaku Fujii, Preecha P. Yupapin, gMarathon Monitoring and Safety using Ad Hoc Networksh, Procedia Engineering, Vol.8, pp.317-320, 2011.

(117)                  Kirana Nerngchamnong, Somkuan Kaviya, Yusaku Fujii, Preecha P. Yupapin, gWorld Heritage City Surveillance System by a Smart CCTV Systemh, Procedia Engineering, Vol.8, pp.321-327, 2011.

(118)                  Apatcha Sirichai, Oranutda Chinnasri, Warrachai Wiriyaromp, Yusaku Fujii, Preecha P. Yupapin, gSurveillance Behavior of Juvenile by using RFID and CCTV Monitoringh, Procedia Engineering, Vol.8, pp.328-331, 2011.

(119)                  Ketsupich Thananunsophon, Benja Mangalabruks, Yusaku Fujii, Preecha P. Yupapin, gCommunity Monitoring and Security using an Intelligent Camera in EAT Smart Gridsh, Procedia Engineering, Vol.8, pp.332-336, 2011.

(120)                  Faprathan Ratanatada, Poonsak Sirichai, Somkuan Kaviya, Benja Mangalabruks, Chavana Pavaganun, Yusaku Fujii, PreechaP. Yupapin, gThai Puppet Performance with Projector and Light in Theatreh, Procedia Engineering, Vol.8, pp.343-347, 2011.

(121)                  Nitikorn Dulyakorn, Chavana Pavaganun, Benja Mangalabruks, Yusaku Fujii, PreechaP. Yupapin, gBOB Loss-preventing for Modern Trade Retail Product Safetyh, Procedia Engineering, Vol.8, pp.353-359, 2011.

(122)                  Yusaku Fujii, Tao Jin, Somsak Mitatha, Preecha P. Yupapin, Wenmei Hou, Takao Yamaguchi, gReview of the Levitation Mass Method a Precision Mechanical Measurement Methodh, Procedia Engineering, Vol.8, pp.504-510, 2011.

(123)                  Y. Fujii and K. Maru, gSelf-correction method for dynamic measurement error of force sensorsh, Experimental Techniques, Vol.35, No.3, pp.15-20, 2011.

(124)                  K.Kurita, Y. Fujii, K. Shimada, gA new technique for touch sensing based on measurement of current generated by electrostatic inductionh, Sensors and Actuators A: Physical, Vol.170, No.1-2, pp.66-71, 2011.

(125)                  A. Takita, H. Ebara, Y. Fujii, gDual beat-frequencies laser Doppler interferometerh, Rev. Sci. Instrum., Vol.82, 123111, 2011.

(126)                  Y. Fujii, A. Takita, J. Kaewkhao, M. Djamal, gPrecision force measurement using the Levitation Mass Method (LMM)h, Applied Mechanics and Materials, Vol. 103, pp. 1-8, 2011.

(127)                  K. Shimada, Y. Fujii, gProposal of intelligent inventory system for space station with IC tag - Near real-time onboard inventory management -h, Applied Mechanics and Materials, Vol. 103, pp. 68-70, 2011.

(128)                  K. Maru and Y. Fujii, gLaser Doppler velocimetry with small wavelength sensitivity using planar lightwave circuith, Applied Mechanics and Materials, Vol. 103, pp. 76-81, 2011.

(129)                  J. Ozawa, A. Takita, T. Azami and Y. Fujii, gMicroforce material tester using small pendulum IIh, Key Engineering Materials, Vol. 497, pp. 169-175, 2012.

(130)                  H. Ebara, A. Takita, T. Azami and Y. Fujii, gDevelopment of material tester using pendulumh, Key Engineering Materials, Vol. 497, pp. 176-181, 2012.

(131)                  T. Jin, A. Takita, M. Djamal, W. Hou, H. Jia and Y. Fujii, gA method for evaluating the electro-mechanical characteristics of piezo-electric actuators during motionh, Sensors, Vol.12, No.9, pp.11559-11570, 2012.

(132)                  T. Yamaguchi, Y. Fujii, A. Takita and T. Kanai, gFEA for transient responses of an S-shaped force transducer with a viscoelastic absorber using a nonlinear complex springh, World Academy of Science, Engineering and Technology, Vol. 71, No.11, pp.802-809, 2012.

(133)                  T. Jin, A. Takita, S. Mitatha, P. P. Yupapin, H. Z. Jia, W. M. Hou and Y. Fujii, gMethod for acceleration measurement using a laser Doppler interferometerh, Meas. Sci. Technol., Vol. 24, No.7, 077001, 2013.

(134)                  T. Jin, K. Watanabe, I. Aji, A. Takita, S. Mitatha, M. Djamal, H. Z. Jia, W. M. Hou and Y. Fujii, gHigh-speed impact test using an inertial mass and an optical interferometerh, Rev. Sci. Instrum. Vol.84, 075116, 2013.

(135)                  T. Yamaguchi, Y. Fujii, T. Fukushima, N. Tomita, A. Takita, K. Nagai and S. Maruyama, gDamping response analysis for a structure connected with a nonlinear complex spring and application for a finger protected by absorbers under impact forcesh, Mech. Syst. Signal Pr., Vol.42, No.1-2, pp.88-96, 2014.

(136)                  M Djamal, K Watanabe, K Irisa, I A Prayogi, A Takita, T. Yamaguchi and Y Fujii, gDynamic characteristics measurements of a force transducer against small and short-duration impact forcesh, Metrology and Measurement Systems, Vol. 21 , No. 1, pp. 59–66, 2014.

(137)                  K. Muramatsu, M. Ishizawa, A. Takita, N. Yoshiura, N. Ohta, K. Maru, H. Ueda and Y. Fujii, gShopping street safety using all-in-one-type security camerash, ICIC Express Letters, Vol.8, No.11, pp.3001-3006, 2014.

(138)                  A. Takita, Y. Ono and Y. Fujii, gReview of dynamic force correction method for a force transducer with the Levitation Mass Methodh, Information, Voi.17, No.2, pp.539-544, 2014.

(139)                  R. Araki, K. Irisa, K. Watanabe, N. Miyashita, A. Takita and Y. Fujii, gThe dynamic characteristics of gelled food materials against small impact forceh, Journal of the Institute of Industrial Applications Engineers, Vol.2, No.1, pp.19-23, 2014.

(140)                  J. Pastoril, K. Watanabe, K. Irisa, I. Prayogi, A. Takita, E. Carcasona and Y. Fujii, gDetermination of reaction force in a toothbrush tuft using Levitation Mass Method (LMM)h, Journal of the Institute of Industrial Applications Engineers, Vol.2, No.2, pp.48-53, 2014.

(141)                  R. Araki, A. Takita, T. Ishima, H. Kawashima, N. Pornsuwancharoen, S. Punthawanunt, E. Carcasona, and Y.Fujiii, gImpact force measurement of a spherical body dropping onto a water surfaceh, Rev. Sci. Instrum., Vol.85, 075108, 2014.

(142)                  N. Miyashita, K. Watanabe, K. Irisa, H. Iwashita, R. Araki, A. Takita, T. Yamaguchi and Y. Fujii, gSoftware for correcting the dynamic error of force transducersh Sensors, Vol.14, No.7, pp.12093-12103, 2014.

(143)                  M. Djamal, I. A. Prayogi, K. Watanabe, A. Takita and Y. Fujii, gNew method for evaluating dynamic characteristics of cantilever spring of vibration sensorh, Advanced Materials Research, Vol.1025-1026, pp.372-378, 2014.

(144)                  N. Miyashita, R. Araki, A. Takita, T. Yamaguchi, A. S. Budi and Y. Fujii, gImprovement of software for dynamic force correction of force transducersh, J. Inst. Ind. Appl. Eng., Vol.2, No.4, pp.131-136, 2014.

(145)                  R. Araki, A. Takita, T. Ishima, E. Carcasona and Y. Fujii, "Impact force measurement of a spherical body dropping onto a water surface from different heights", J. Inst. Ind. Appl. Eng., Vol.2, No.4, pp.137-142, 2014.

(146)                  T. Jin, H. Jia. W. Hou and Y. Fujii, gA measurement of human body rotation during parabolic flight experimenth, Aircr. Eng. Aerosp. Technol., Vol. 87, No.1, pp.79-82, 2015.

(147)                  K. Kitabata, H. Iwashita, A. Takita, M. Djamal, N. Pornsuwancharoen and Y. Fujii, gFrictional characteristics measurement of a ceramic aerostatic linear bearingh, Key Engineering Materials, Vol.643, pp.167-172, 2015.

(148)                   K. Watanabe, N. Miyashita, D. Bin, K. Irisa, A. Takita, T. Yamaguchi, E. Carcasona, S. Mitatha and Y. Fujii, gImpact response measurement of contact lensesh, Key Engineering Materials, Vol.643, pp.173-178, 2015.

(149)                  R. Araki, A. Takita, P. Nachaisit, D.W. Shu and Y. Fujii, "Frictional characteristics of a small aerostatic linear bearing", lubricants, Vol.3, pp.132-141, 2015.

(150)                  I. Prayogi, K. Watanabe, K. Irisa, A. Takita, M. Djamal and Y. Fujii, gA method for evaluating the mechanical response of rubber-like material under small impact loadsh, Int. J. of Innovative Computing Information and Control, Vol.11, No.3, pp949-954, 2015.

(151)                  Y. Fujii, N. Yoshiura, N. Ohta, A. Takita, H. Ueda and K. Maru, gAbuse Prevention of Street Camera Network by Browsing-History Disclosureh, Journal of Community Informatics, Vol. 12, No. 1, pp.152-156, 2016.

(152)                  K. Kitabata, A. Takita, T. Yamaguchi, E. Carcasona, A. S. Budi and Y. Fujii, "Impact response measurement of a bamboo sword gShinaih", Journal of the Institute of Industrial Applications Engineers, Vol.4, No. 2 pp.66-71, 2016.

(153)                  R. Kojima, K. Kitabata, D. H. Bin, A. Takita, T. Yamaguchi, Y. Fujii, gImpact Response Measurement of Bamboo Shinai and CFRP Shinaih, Key Engineering Materials, Vol. 698, pp. 80-84, 2016.

(154)                  N. Miyashita, K. Watanabe, A. Takita, M. Djamal, T. Yamaguchi, Y. Fujii, gMeasurement of Dynamic Responses of a Force Sensor against Small Impact Forces with Various Durationsh, Key Engineering Materials, Vol. 698, pp. 73-79, 2016.

(155)                  K. Suzuki, K. Nakaya, A. Takita, K. Shimada, Y. Fujii, gImproved Method of Direct Measurement of the First-Order Mass Moments of Human Bodyh, Key Engineering Materials, Vol. 698, pp. 69-72, 2016.

(156)                  Y. Fujii and N. Yoshiura, "Will every streetlight have network cameras in the near future?",@SCIENCE, eLetters (21 October 2016),

http://science.sciencemag.org/content/347/6221/504/tab-e-letters

(157)                  E. Satria, M. Djamal, Hendro, A. Takita, Y. Fujii, gPrecision Measurement of Drag Force Acting on a Spherical Body Dropping in the Airh, Journal of Technology and Social Science, Vol.1, No.1, pp.7-15, 2017.

(158)                  T. Yokote, A. Takita, H. Nasbey, A. Setyobudi, Y. Sugita, S. Hashimoto, M. Yokota, T. Hirose, T. Nakamura and Y. Fujii, gPrecision Measurement of Drag Force Acting on a Spherical Body Dropping in the Airh, Journal of Technology and Social Science, Vol.1, No.1, pp.55-60, 2017.

(159)                  A. Budi, A. Permana, H. Nasbey and Y. Fujii, gThe Characterization ZnO-Na2O-P2O5 Glass System for Dental Restorative Materialsh, Journal of Technology and Social Science, Vol.1, No.3, pp.47-55, 2017. 

(160)                  A. Suzuki, N. Nakazawa, Y. Tanaka, Y. Fujii, T. Yamaguchi and T. Matsui, gStudy on Mouth Gymnastics for Orbicularis Oris Muscleh, Journal of Technology and Social Science, Vol.1, No.3, pp.83-86, 2017.

(161)                  T. Fukushima, T. Yamaguchi, Y. Fujii, S. Maruyama, A. Takita and H. Tomita, gImpact Responses by FEM for a Living Finger Protected by Shock Absorbers Using Nonlinear Complex Springs Connected in Seriesh, Journal of Technology and Social Science, Vol.1, No.3, pp.87-95, 2017.

(162)                  B. Peng, M. Kano, N. Nakazawa, F. Wang, Y. Fujii, T. Yamaguchi and T. Matsui, gRecognition of Nostril Position Based on Skin Color Distributionh, Journal of Technology and Social Science, Vol.1, No.3, pp.96-100, 2017.

(163)                  Y. Wang, D. Shu, Y. Fujii, A. Takita, T. Ishima and R. Araki, gComparison between numerical analysis and the levitation mass method measurement test of a spherical structure early impacting waterh, Advances in Mechanical Engineering, Vol.10, No.1, pp.1-15, 2018.

(164)                  P. Youplao, A. Takita, H. Nasbey, P. Yupapin and Y.Fujii, gDynamic response of sand particles impacted by a rigid spherical objecth, Results in Physics, Vol. 9, No. 6, pp. 246-251, 2018.

https://doi.org/10.1016/j.rinp.2018.02.046

(165)                  E. Satria, A. Takita, H. Nasbey, I. Prayogi, H. Hendro, M. Djamal, Y. Fujii, gNew technique for dynamic calibration of force transducer using drop ball testerh, Meas. Sci. Technol., Vol.29, No.11, 125009,  2018.

(166)                  Y. Kawamura, A. Takita and Y. Fujii, gImpact force measurement of a plastic sheet using drop ball test by the Levitation Mass Method (LMM)h, Journal of Technology and Social Science, Vol.2, No.1, pp.54-62, 2018. 

(167)                  H. Nasbey, A. Takita, A Budi, E. Satria, M. Djamal and Y. Fujii, gA proposal of 3D measurement of velocity in the drop-ball experiment by the Levitation Mass Methodh, Journal of Technology and Social Science, Vol.2, No.3, pp.36-42, 2018. 

(168)                  H. Nasbey, A. Takita, A Budi, E. Satria, M. Djamal and Y. Fujii, gUncertainty evaluation of the mechanical properties in drop-ball test using three coordinate systemsh, Journal of Mechanical and Electrical Intelligent System, Vol.1, No.1, pp.16-24, 2018. 

(169)                  H. Nasbey, A. Takita, A Budi and Y. Fujii, gMeasuring the impact force acting on the clay by the drop-ball test method based on the Levitation Mass Method (LMM)h, Journal of Mechanical and Electrical Intelligent System, Vol.1, No.1, pp.25-33, 2018.

(170)                  Y. Fujii, K. Shimada, A. Takita and W. Thornton, gEvaluation of the Dr. William Thorntonfs Skylab BMMDh, Microgravity Science and Technology, Vol. 32, No. 6, pp. 275-280, 2020.

(171)                  Y. Fujii, A. Takita and S. Hashimoto, "A helmet type mask gDistancing-Free Maskh: An engineering solution that eliminates the lockdown", Journal of Mechanical and Electrical Intelligent System, Vol.3, No.3, pp.1-7, 2020.

(172)                  S. Xu, Y. Cao, S. Hashimoto, Y. Fujii, A. Takita and W. Jiang, gControl design applicable to a helmet type full-face maskh, Journal of Technology and Social Science, Vol.4, No.3, pp.24-30, 2020. 

(173)                  Y. Fujii, A. Takita and S. Hashimoto, "An engineering approach for fighting COVID-19; Pseudo herd immunity through the complete spread of the helmet-type masks", Journal of Mechanical and Electrical Intelligent System, Vol.4, No.1, pp.1-5, 2021.

(174)                  P. Youplao, A. Takita, H. Nasbey, S. Mitatha, Y. Fujii, gAn Optical Heterodyne Technique for Dynamic Eddy-Current Damping Force Evaluation", IEEE Trans. Instrum. Meas., Vol.70, 6005011, 2021.

https://doi.org/10.1109/TIM.2021.3059112

(175)                  Y. Fujii and A. Takita, " Personal respiratory air purification device (helmet-type): Distancing-Free Mask (Prototype No.5)", Journal of Mechanical and Electrical Intelligent System, Vol.4, No.2, pp.1-5, 2021.

(176)                  Y. Fujii and A. Takita, " Booth-type of Personal Respiratory Air Purification Device: Distancing-Free Booth (Prototype No.1)", Journal of Mechanical and Electrical Intelligent System, Vol.4, No.2, pp.6-12, 2021.

(177)                  R. M. Galindo, A. Takita, E. Carcasona, E. Magalang, T. S. Galindo, S. Hashimoto, T. Yamaguchi, E. U. Tibay, D. W. Shu, H. Kobayashi, K. Amagai, N. Ohta, N. Yoshiura, A. Kuwana, A. Yano and Y. Fujii, gLow-Cost Powered Air-Purifying Respirator (PAPR) gDistancing-Free Mask Frontline (DFM-F) Prototype No.1h for the Operational Tests in Hospitals in Cebu City, Philippinesh, Journal of Mechanical and Electrical Intelligent System, Vol.5, No.2, pp.1-6, 2022.

(178)                  E. Carcasona, R. M. Galindo, A. Takita, E. Magalang, T. S. Galindo, S. Hashimoto, T. Yamaguchi, E. U. Tibay, D. W. Shu, H. Kobayashi, K. Amagai, N. Ohta, N. Yoshiura, A. Kuwana, A. Yano and Y. Fujii, gVery-Low-Cost Powered Air-Purifying Respirator (PAPR) gDistancing-Free Mask Industry (DFM-I) Prototype No.1h and Proposal for a Lockdown-Free Industryh, Journal of Technology and Social Science, Vol.6, No.2, pp.1-4, 2022.

(179)                  Y. Fujii, gThe Place of Artificial Intelligence in Human Historyh, Journal of Technology and Social Science, Vol.7, No.2, pp.1-5, 2023. (Translated from (175): JpnJSSP, Vol.7, No.1, pp.1-4, 2023).

(180)                  P. Youplao, H. Nasbey, A. Takita, P. Nachaisit and Y. Fujii, gAn Optical Method for Evaluating the Mechanical Properties of Wires Under Impact Tensile Loadh, IEEE Trans. Instrum. Meas., Vol.74, 2024.

https://ieeexplore.ieee.org/document/10316287