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Hirohiko Arai

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  • Tsukuba-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal spinning method and apparatus
    • Patent number 7,584,636
    • Issue date Sep 8, 2009
    • National Institute of Advanced Industrial Science and Technology
    • Hirohiko Arai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Spinning method and apparatus
    • Patent number 7,131,304
    • Issue date Nov 7, 2006
    • National Institute of Advanced Industrial Science and Technology
    • Hirohiko Arai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and system for controlling cooperative object-transporting r...
    • Patent number 6,654,665
    • Issue date Nov 25, 2003
    • Japan as represented by Secretary of Agency of Industrial Science and Technology
    • Hirohiko Arai
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Method and system for controlling cooperative object-transporting r...
    • Patent number 6,522,952
    • Issue date Feb 18, 2003
    • Japan as represented by Secretary of Agency of Industrial Science and Technology
    • Hirohiko Arai
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Power assist apparatus and control method for same
    • Patent number 6,430,473
    • Issue date Aug 6, 2002
    • Agency of Industrial Science & Technology, Ministry of International Trade &...
    • Hyoung-Ki Lee
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Method and apparatus for controlling a force assist apparatus
    • Patent number 5,551,308
    • Issue date Sep 3, 1996
    • Agency of Industrial Science & Technology, Ministry of International Trade &...
    • Hirohiko Arai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Manipulator and control method
    • Patent number 4,928,047
    • Issue date May 22, 1990
    • Agency of Industrial Science & Technology, Ministry of International Trade
    • Hirohiko Arai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    Metal Spinning Method and Apparatus
    • Publication number 20080022741
    • Publication date Jan 31, 2008
    • Hirohiko Arai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METAL SPINNING MACHINE
    • Publication number 20070271982
    • Publication date Nov 29, 2007
    • Nstional Institute of Adv Industrial Sci and Tech
    • Hirohiko Arai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Spinning method and apparatus
    • Publication number 20050183484
    • Publication date Aug 25, 2005
    • National Inst. of Adv. Industrial Sci. and Tech.
    • Hirohiko Arai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method and system for controlling cooperative object-transporting r...
    • Publication number 20030135303
    • Publication date Jul 17, 2003
    • Japan as Rep. by Sec of Agncy of Ind Sci and Tech
    • Hirohiko Arai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS