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Tokura Simulation Research is a consultant company to assist application of advanced simulation technology.

PROFILE

Message

CEO

  The twenty-first century, this word once meant a wonderful future. The world had been imagined as follows; Human beings have gone into space and lived in a torus shaped artificial satellite. On the earth people live ordinarily with robots which have highly-developed artificial intelligence and they can make conversation anytime anywhere by mobile communicator. However the world dreamed once has not been realized yet except for the last one, mobile communicator, although more than one decade has already passed in this century.
   Let's see the real twenty-first century. Severity in environment of our society has been increasing including repeated economic crises, intensifying competition among countries, serious damage caused by natural disasters, especially in Japan, high exchange rate of the yen and decrease of population and so on. It may have been a acceptable procedure for manufacturing industry that decision is made by analyzing factors including economic trend, industrial trend, changes of consumer's needs and so on and applying prediction scheme of each company. However it has probably been difficult to forecast the change of society using conventional prediction scheme. Manufacturers are enforced to correct production plan and target of development of new product derived from their usual business index whether they are large or small.
  On the other hand it is also the reality that there is a movement which intends to achieve innovation of technology by discovering new life style of the whole world. There are a lot of subjects of innovation, namely, development of renewable energy, development of technology which reduces environmental loading, improvement of working environment applying robots or power assist tools, development of completely new functional material, and so on. It is difficult to create excellent product by only one manufacturer. So it is needed that many manufacturers which have different scale and techniques should collaborate. So few large manufacturers not only need simulation. Optimization using simulation can also be applied to make more high quality and low cost products even in the case of small parts in a large mechanical system.
  We are taking advantage of the changes of industrial structure constructively. Then we propose the latest simulation technology adapting to each manufacturing environment. Let's try to realize the wonderful twenty-first century.

Sunao Tokura    President, Ph.D.                                             
Researcher, Meiji Institute for Advanced Study
of Mathematical Sciences             


Belonging Scientific Society

  • The Japan Society of Mechanical Engineers (JSME)
  • The Japan Society for Computational Engineering and Science (JSCES)
  • Japan Society for Simulation Technology (JSST)

Activity in Scientific Societies

  • NPO Shinayaka system engineering laboratory, "Research comittee for multi objective optimization design and satisfactory design", April,2013 -
  • Research comittee 259 in JSME, "Study for promotion and industrial application of core technology in origami engineering", April,2012 -
  • 17th Research comittee in JSCES, "Multi objective optimization design and satisfactory design", April,2010 - March, 2013
  • Research comittee in JSME, "Study for promotion and application of origami engineering using computational mechanics", April,2008 - March,2010
  • A member of administration comittee of 20th conference for computational mechanics in JSME, December,2006 - November,2007
  • Chair person of the analysis contest session at the 9th conference of design engineering and system division of JSME, November 11,1999
  • Research comittee in JSCES, "Development and application of stastical design support system", April 17,1997 - March 9,2004
  • Research comittee in JSME, "Study for evaluation of strength and reliability of electronic devices and instruments", May,1994 - April,1996
  • Research comittee in JSME, "Application study of computational mechanics for design of electronic devices and instrumenst", May,1992 - April,1994
  • Research society for sheet forming simulation, April,1990 - March,1991
  • Strength of Materials Symposium, April,1989 - December,2011

Research Paper

  • Kousuke Terada, Kota Kadoi, Sunao Tokura, Takamichi Sushida, and Ichiro Hagiwara, The Deformation Mechanism on Origami Based Foldable Structures, Reserach Reports, National Institute of Technology Fukushima College, No.56, December (in Japanese), 2015 (published on Feb. 29, 2016)
  • Sunao Tokura, Parameter Identification of Lead Material using Gurson Model, Proceedings of 28th conference of JSME Computational Mechanics division, December (in Japanese), 2015
  • Kousuke TERADA, Sunao TOKURA, Hidetoshi SATO, Akinobu MAKITA and Ichiro HAGIWARA, Evaluation of the bending stiffness on assembled light weight and high strength panel, Transactions of the JSME (in Japanese), Vol.81, No.828 (2015) *
  • H. T. T. Nguyen, K. Terada, S. Tokura and I. Hagiwara, Development of origami forming to improve the flexibility of truss core panel design, Transactions of the JSME (in Japanese), Vol.80, No.819 (2014) *
  • Y. Yang, X. Zhao, S. Tokura and I. Hagiwara, Crash Energy Absorption Improvement of Lightweight Structure by using truss core panel, Transactions of the JSME (in Japanese), Vol.80, No.815 (2014) *
  • Nguyen Thai Tat Hoan (Meiji University), Kousuke Terad (Fukushima National College of Technology), Sunao Tokura (TSR) and Ichiro Hagiwara (Meiji University, Meiji Institute for Advanced Study of Mathematical Sciences), Application of Metal Bending to Forming Process of Truss Core Panel, International Conference on Simulation Technology (JSST 2013), September 11-13, Tokyo
  • Koji NISHIYAMA, Ayuko INOUE, Daisuke IMADA, Haruo NAGATANI, Sunao TOKURA, Junichi SHINODA, Zhao XILU, Syuzo OSHIMA, Ichiro HAGIWARA, Dynamic Analysis for Investigation of Fluid Resistance for Ball Bearings, Transactions of the Japan Society of Mechanical Engineers Series C, Vol. 78, 2012, No.789 p.1663-1669 *
  • Koji Nishiyama, Ayuko Inoue, Daisuke Imada, Akio Hase, Sunao Tokura, Jun-ichi Shinoda, Shuzo Oshima, Xilu Zhao and Ichiro Hagiwara, Analysis of Multiphase Flow Agitation Resistance of Ball Bearing, Proceedings of 30th congress of the Japan Society for Simulation Technology, October, 2011
  • Sunao Tokura and Ichiro Hagiwara, Shape Optimization to Improve Impact Energy Absorption Ability of Truss Core Panel, Journal of Computational Science and Technology, Vol.5, No.1, pp.1-12, 2011, January 20 *#
  • Sunao Tokura, Yasuyoshi Umezu and Masaki Miyashita, Verification of Hybrid Direct Search Strategy Implemented in Optimization Software HEEDS, 6th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, June 22-25,2010, Kyoto #
  • Sunao Tokura and Ichiro Hagiwara, Shape Optimization to Improve Impact Energy Absorption Ability of Truss Core Panel, Journal of Applied Mechanics, A, 76-765, pp.564-572, may, 2010 *
  • Sunao Tokura, Study for Advantage of Optimization using Direct Search and Application Example for Production Design, Proceedings of JSCES conference, Vol.15, May, 2010
  • Sunao Tokura and Ichiro Hagiwara, Forming Process Simulation of Truss Core Panel, Journal of Computational Science and Technology, Vol.4, No.1, pp.25-35, 2010, Mar *#
  • Sunao Tokura and Ichiro Hagiwara, Study for Application of Truss Core Panel to Train Body, Proceedings of The Japan Society for Industrial and Applied Mathematics Conference, March, 2010
  • Sunao Tokura, Ichiro Hagiwara, A study for the Influence of Work Hardening on Bending Stiffness of Truss Core Panel, Journal of Applied Mechanics, Vol.77, No.3, 2010, Feb *#
  • Sunao Tokura and ichiro Hagiwara, A Study for Bending Stiffness of Truss core panel with Work Hardening Effect Derived from Forming Simulation, Journal of JSME, A, 75-753, pp.588-594, May, 2009 *
  • kazuya Saitou, Kota Takeda, Sunao Tokura and ichiro Hagiwara, Relation between Geometrical Patterns and Press Formability in Newly Developed Light-Weight Core Panels, Journal of JSME, A, 75-751, pp.381-387, March, 2009 *
  • Kota Takeda, Sunao Tokura, Kazuya Saitou and Ichiro Hagiwara, Press Forming Analysis and Strength Characteristic after Forming for Truss Core Panel based on Geometrical Patterns, Proceedings of 21st conference of JSME Computational Mechanics division, November, 2008
  • Kota Takeda, Kazuya Saitou, Sunao Tokura and Ichiro Hagiwara, Study for Press Forming Analysis of Truss core Panel and Strength Characteristics After Forming, Proceedings of 21st conference of JSME Computational Mechanics division, November, 2008
  • Sunao Tokura and Ichiro Hagiwara, Forming Process Simulation of Truss Core Panel, Journal of JSME, A, 74-746, pp.1379-1385, October, 2008 *
  • Sunao Tokura and Ichiro Hagiwara, A Study for Bending Stiffness Estimation of Truss Core Panel, Proceedings of JSME Dynamics & Design Conference, September, 2008
  • Sunao Tokura and Ichiro Hagiwara, Simulation of Manufacturing of Truss Core panel, Proceedings of The Japan Society for Industrial and Applied Mathematics Conference, March, 2008
  • Sunao Tokura, Application of Hybrid Type Hourglass Control Method in Rubber Material Simulation, Proceedings of 26th the Japan Society for Simulation Technology Conference, June, 2007
  • Sunao Tokura, Application of Meshfree Method with Updated Kernel Function to Plastic Forming Problem, Proceedings of JSCES conference, Vol.12, May, 2007
  • Sunao Tokura, Tetsuji Ida and Kan Hasegawa, Collapse Simulation of Structure using Fluid-Structure Coupling analysis, Proceedings of JSCES conference, Vol.11, June, 2006
  • Sunao Tokura, Yasuyoshi Umezu and Ninshu Ma, Development of Multi-Stage Sheet Metal Forming Simulation System Based on New Concept, Proceedings of 18th conference of JSME Computational Mechanics division, November, 2005
  • Tetsuji Ida and Sunao Tokura, Train Running Simulation using Explicit Finite Element Model, Proceedings of 15th conference of JSME design engineering and system division, August, 2005 (Analysis contest best award)
  • Takahiko Miyachi, Sayaka Endo and Sunao Tokura, The Calculation Time Reduction of CPU Expensive Analysis Using Modal Synthesis Method, Proceedings of JSME Dynamics & Design Conference 2005, pp.733-1-733-4, August, 2005
  • Takahiko Miyachi, Sayaka Endo and Sunao Tokura, Trial to Reduce Computational Time of Dynamic Analysis by Integration of Mode Superposition Method and Future Prospects, Proceedings of JSCES conference, Vol.10, pp. 863-866, June, 2005
  • Sunao Tokura, Tetsuji Ida, Simulation of Wave-Dissipating mechanism on Submerged Structure using Fluid-Structure Coupling Analysis, Proceedings of 10th conference of JSCES, June, 2005
  • Sunao Tokura, Application of the Meshfree Method for Shell Structure, Proceedings of 14th conference of JSME design engineering and system division, November, 2004
  • Sunao Tokura, Masakazu Yanagisawa and Katsunori Katsuta, Application of FEM-Mesh Free Coupling Method to the Plastic Forming Simulation, Proceedings of 16th conference of JSME Computational Mechanics division, November, 2003
  • Sunao Tokura, Application of the Mesh-free Method for Plastic Forming Problem, Proceedings of 13th conference of JSME design engineering and system division, October, 2003
  • Sunao Tokura, Vehicle Transient Analysis using Modal Superposition-Explicit Dynamic Analysis Coupling, Proceedings of 12th conference of JSME design engineering and system division, pp.172-173, November, 2002
  • Sunao Tokura, Fluid-Structure Coupling Analysis using SPH Method, Proceedings of 11th conference of JSME design engineering and system division, pp.217-220, November, 2001 (Analysis contest best award)
  • Yoshitaka Kawashima, Futoshi Nishimura, Ikuto Taga, Masahito Harada, Sunao Tokura, Tetsuji Noguchi and Akira Tezuka, Research on Structural Analysis of paper Ware (II), Report of Gifu Prefectural Research Institute of Information Technology, No.3, December, 2001
  • Yoshitaka Kawashima, Futoshi Nishimura, Ikuto Taga, Sunao Tokura and Akira Tezuka, Analysis of Cushioning Material Made of Corrugated Fiberboards Using the Homogenization Method, Proceedings of the conference in Ibaraki sponsored by JSME Kanto branch and the Japan Society for precision engineering, September, 2001
  • Sunao Tokura, Present and Future of the Development of CAE Tools to Realize the Concurrent Engineering, Proceedings of the JSCES conference, Vol.6, pp.171-174, June, 2001
  • Sunao Tokura, Latest Capability of Nonlinear Impact Analysis Software LS-DYNA and Recent Application Examples, JSME Computational Mechanics division, COMPUTATIONAL MECHANICS, November, 2000
  • Sunao Tokura, Masahito Harada, Toshiki Moritou and Yusaku Suzuki, Application of Optimization Technique for Plastic Forming Simulation using FEM, Proceedings of the conference of JSME Machinery Mechanics and Measurement Control Division, Pt.3, pp.719-722, September, 2000
  • Sunao Tokura, Application of Fluid-Structure Coupling Technique Based on ALE Method to an Engineering Problem, Proceedings of the JSME annual conference, Vol.2, pp.137-138, July, 2000
  • Qinzhong Shi, Ichiro Hagiwara, Futoshi Takashima, Sunao Tokura, Optimization for the Behavior of Vehicle Cabin and Safety belt Using Most Probable Optimal Design Method, Proceedings of society of automotive engineers of Japan, 10-99, pp.13-16, 1999
  • Qinzhong Shi, Ichiro Hagiwara, Futoshi Takashima, Sunao Tokura, The Study of Optimal Matching for the Behavior of Vehicle Cabin and Safety belt, Proceedings of 4th conference of JSCES, Vol.2, pp.1031-1032, May 28, 1999
  • Sunao Tokura, Masahito Harada, Application of Optimization for Occupant Safety Analysis, Proceedings of 4th conference of JSCES, Vol.2, pp.1025-1028, May 28, 1999
  • Sunao Tokura, Masahito Harada, Application of Optimization Technique to Occupant Safety Analysis using Multi Purpose Parametric Optimization Program, Proceedings of the conference of JSME Machinery Mechanics and Measurement Control Division, B, pp.131-134, March 12, 1999
  • Mengyan Zang, Sunao Tokura, Simulation of Impact Fracture Behavior of Laminated Glass Using LS-DYNA Code, Proceedings of 9th conference of JSME design engineering and system division, pp.166-168, November, 1999
  • Deng Li, Sunao Tokura, Comparison Between Theory and Analysis Result using Dynamic Analysis Software for Acoustic-Structural Coupling Problem, Proceedings of 9th conference of JSME design engineering and system division, November, 1999
  • Deng Li, Sunao Tokura, Acoustic Propagation Analysis in Heterogeneous Media using Acoustic-Structural Coupling Capability, Proceedings of 9th conference of JSME design engineering and system division, pp.166-168, November, 1999
  • Deng Li, Sunao Tokura, Application of the Nonlinear Analysis Software for Acoustic Problem, Proceedings of 8th conference of JSME design engineering and system division, pp.70, November 9, 1998
  • Mengyan Zang, Sunao Tokura, Example of Non-linear Analysis using an Explicit Software Code, Proceedings of 8th conference of JSME design engineering and system division, November 9, 1998
  • Sunao Tokura, Kimihiro Hayashi and Deng Li, Simulation of motion of Structure in Fluid using Coupling Analysis Technique, Proceedings of 7th conference of JSME design engineering and system division, pp.164, November, 1997
  • Sunao Tokura, Forging Simulation using ALE Method, Proceedings of 6th conference of JSME design engineering and system division, pp.263, October, 1996
  • Sunao Tokura, The Aspects and the Prospects for Crash and Metal Forming Analysis on EWS/PC, The Journal of the Japan Society for precision engineering, Vol.62, No.10, 1996
  • Sunao Tokura, Nonlinear Analysis Software LS-DYNA3D Evolving with Computational Environment, Proceedings of 1st conference of JSCES, 1-2, pp.779-780, May, 1996
  • Fuminori Oshita, Douglas Stillman, Sunao Tokura and Shin-ya Hayashi, Coupling Analysis of Structure and Acoustic Space using LS-DYNA3D, Proceedings of 73rd conference of JSME, pp.261-262, April, 1996
      * Reviewed

Scientific Article

  • Sunao Tokura and Ichiro Hagiwara,"Handbook on Industrial and Applied Mathematics" Compiled by The Japan Society for Industrial and Applied Mathematics, p.273, October, 2013
  • Sunao Tokura, Study for Formability and Impact Characteristics of Tube Forming Based on Simulation Tequnique, Journal of the Japan Society for Technology of Plasticity, Vol.53, No.614, March, 2012
  • Sunao Tokura and Ichiro Hagiwara, Forming Process and Strength Characteristics of Truss Core panel, Journal of JSST featured article "Present State and Problems of Origami Engineering", Vol.29 No.3, September, 2010
  • Sunao Tokura, Optimization Software with Implementation of hybrid Direct Search Algorithm and its Application Examples, Journal of JSST, Vol.29-2 featured article "Product Development and Simulation", June, 2010
  • Sunao Tokura, Some Points to use SPH Capability Implemented in Multi Purpose Structural Analysis Software, JSME News Letter, No.42, April, 2009
  • Sunao Tokura, Plastic Forming Simulation using Latest Analysis Technology, Press Gijutsu, Vol.44-12, October, 2006
  • Ninshu Ma and Sunao Tokura, Application of Impact and Structural Analysis Software to Product Design, Journal of Osaka Industrial Research Association "Kagaku to Kogyo", VOL.79 No.8, August, 2005
  • Toshio Imaki (Cosmos Japan) and Sunao Tokura, Impact Problem and Numerical Simulation, Journal of the Japan Society of Material Science : Impact Characteristics of Material and Estimation Procedure, Vol.51-11, pp.1284-1289, November 15, 2002
  • Sunao Tokura, Deng Li, Current Status and Problems of Occupant Safety Simulation, Journal of JSCES, Vol.5, No.1, 2000
  • Sunao Tokura, The Latest Capabilities of LS-DYNA and Application Examples for Design, Advanced Technology Forum – The Forefront of Nonlinear Structural Analysis sponsored by JSME and The Nikkan Kogyo Shimbun, May 27, 1999
  • Sunao Tokura, How to Use CAE – Introduction of Latest Commercial Solvers – Sheet Metal Forming Simulation System 2JSTAMP-Works", Kata Gijutsu, Vol.12-6, pp.75, may, 1997
  • Sunao Tokura, Capabilities of Multi Purpose Nonlinear Analysis Software LS-DYNA3D and Application Examples, Osaka University Computer Center News, 26-4, pp.85-98, January, 1997

Lecture and Oral Presentation

  • Sunao Tokura, Hiroyuki Kase, Hisaki Kanayama, Shape Optimization of Filter System using Fluid Analysis Based on MPS Particle Method, JSME 12th Optimization Symposium 2016 (OPTIS2016), December 6-7, Sapporo, Japan
  • Sunao Tokura, Hiroyuki Kase, Optimization of Efficiency of Filter for Decontamination using MPS Particle Method, International CAE Conference 2016, 17-18 October, 2016, Parma, Italy #
  • Sunao Tokura, Present Status and Problems of Particle-based CFD Software Particleworks on Application in Product Design, 69th CAD/CAE Research Meeting, Japan Society for Design Engineering, PORTA Kagurazaka, June 3, 2016 Japan
  • Sunao Tokura, Necking and Failure Simulation of Lead Material Using ALE and Mesh Free Methods in LS-DYNA®, 14th LS-DYNA International Conference, June 13-14, 2016, Detroit, USA
  • Sunao Tokura, Latest Application Examples of MPS Method in Various Industries, International CAE Conference 2015, 19-20 October, 2015, Pacengo del Garda, Verona, Italy
  • Sunao Tokura, Validation of Fluid Analysis Capabilities in LS-DYNA Based on Experimental Result, 10th European LS-DYNA Conference, June 15-17, 2015, Würzburg, Germany
  • Sunao Tokura, Takumi Kasahara, Optimization of Mixing Process using Particle Method MPS, JSME 11th Optimization Symposium 2014 (OPTIS2014), December 12-13, Kanazawa, Japan
  • Sunao Tokura, Application of Simple Coupling Technique using Particleworks & LS-DYNA for Product Development, Prometech Techno Forum 2014 in NAGOYA, December 11, 2014, Nagoya, Japan
  • Sunao Tokura, Application of Particle Method MPS-Based CFD Software Particleworks for Product Design, International CAE Conference 2014, 27-28 October, 2014, Pacengo del Garda, Verona, Italy #
  • Sunao Tokura, Application of Simple Coupling Technique using Particleworks & LS-DYNA for Product Development, Prometech Simulation Conference 2014, September 26, 2014, Tokyo
  • Sunao Tokura, Comparison of Particle Methods : SPH and MPS, 13th LS-DYNA International Conference, June 8-10, 2014, Detroit, USA #
  • Sunao Tokura, Takumi Kasahara, Technique to Estimate Damage of Auto Body Washed Away by Flooding, 1st International Conference on Computational Engineering and Science for Safety and Environmental Problems, April 13-16, 2014, Sendai International Center #
  • Sunao Tokura, Forming Procedure of Core Structure Derived from Space Filling Pattern, The Japan Scociety for Industrial and Applied Mathematics Publishing Seminar, October 3,4, 2012, Waseda University, Tokyo
  • Sunao Tokura, Simulation for Forming and Performance Evaluation of Structures Developed Based on the Concept of 'ORIGAMI Engineering', 12th LS-DYNA International Conference, June 4,5, 2012, Detroit, USA #
  • Sunao Tokura, Application of Topology Optimization on Practical Structural Design under Multi Load Case, 9th World Congress on Structure and Multidisciplinary Optimization, 13-17 June, 2011, Shizuoka, Japan #
  • Sunao Tokura, Present Status and Problems of Fluid-Structure Coupling Analysis in Development of Products, 242th Meeting of Zairyo Rikigaku Danwa-kai (Material Mechanics Forum), Osaka Science & Technology Center, November 1, 2010
  • Sunao Tokura, Comparison of Ability of Optimization Algorithms Implemented in Commercial Optimization Software, Research Committee No.17 "Multi Objective Optimization and Satisfactory Design", Konan University Network Campus in Tokyo, October 13, 2010
  • Sunao Tokura, Forming Simulation of Truss Core panel Inspired from Origami Engineering (Prediction Analysis using Computer), Inspired and Exciting Science - Welcome to the Laboratory of the University at Tokyo Institute of technology, August 5,6, 2010
  • Sunao Tokura, Ninshu Ma, Study for Formability and Impulsive Strength of Tubular Structure using Simulation Technology, 123rd Meeting of Tube Forming Division of the Japan Society for Technology of Plasticity at Sumitomo Metal Industries Amagasaki, March 23, 2010
  • Sunao Tokura (JRI Solutions), Characteristics of CAE in Vehicle Design, Society of Automotive Engineers of Japan Seminar No.10-08, Kogakuin University, February 13, 2009
  • Sunao Tokura, Design Support Tools, Open Seminar "Manufacturing and CAE" at Yokohama National University, August 29, 2008
  • Sunao Tokura,Contact and Sliding Simulation of Rubber Disk on Rigid Surface with Microscopic Roughness, 6th European LS-DYNA Users Conference, 6th European LS-DYNA Users Conference, Goteborg, May, 2007 #
  • Sunao Tokura, Impact Problem and Numerical Calculation Method, 5th Impact Engineering Forum of the Japan Society of Material Science "Introduction to Impact Engineering for Beginners), November 24, 2006
  • Sunao Tokura, Plastic Forming Simulation using Latest Analysis Technique, 82nd Meeting of Forging Division of the Japan Society for Technology of Plasticity, November 20, 2006
  • Sunao Tokura, Simulation of Wave-Dissipating Mechanism on Submerged Structure using Fluid-Structure Coupling Capability in LS-DYNA, International Symposium on Structures under Impulsive Loading Presentation and Chairman, 2005.11.21-22, Nagoya #
  • Sunao Tokura, Tetsuji Ida, Simulation of Wave-Dissipating Mechanism on Submerged Structure using Fluid-Structure Coupling Capability in LS-DYNA, 5th European LS-DYNA Users Conference, Birmingham, May, 2005 #
  • Sunao Tokura, New Capabilities of the Latest Version of Impact and Structural Analysis Software LS-DYNA and Application Examples for CAE, 13th Kansai CAE Konwakai, November 14, Kyoto Research Park
  • Sunao Tokura, Driving Simulation and Tire Models, Kansai CAE Konwakai November 22, 2001
  • Sunao Tokura, Capabilities of the Latest Version of Nonlinear Impact and Structural Analysis Software LS-DYNA and its Application Examples, 73th Research Comittee "Numerical Simulation of Plastic Forming, Resent Topics" of The Japan Society for Technology of Plasticity, September 26, 2001
  • Sunao Tokura, Introduction of Explicit Nonlinear Dynamic Structural Analysis Software LS-DYNA and Application Examples, The Japan Society of Material Science 21st Seminar, pp.129-137, 1998

Books

  • Fundamentals and Application of Impact Engineering (joint work), Kyoritsu Shuppan, May 25, 2014, Japan
  • Industrial and Applied Mathematics Series Vol.3 "Geometrical Mathematics for Origami and Its Industrial Application" (joint work), Kyoritsu Shuppan, September 25, 2012, Japan
      All papers and articles are written in Japanese except for #

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千葉県我孫子市我孫子3-36-1-801

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