TREA

Michitoshi Mitsumaru

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Worm wheel
    • Patent number 8,991,277
    • Issue date Mar 31, 2015
    • JTEKT Corporation
    • Jun Hamakita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electric power steering system
    • Patent number 8,813,904
    • Issue date Aug 26, 2014
    • JTEKT Corporation
    • Jun Hamakita
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Sealing device
    • Patent number 8,557,904
    • Issue date Oct 15, 2013
    • JTEKT Corporation
    • Masahiro Tabata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Injection molding machine for making a worm wheel
    • Patent number 6,638,054
    • Issue date Oct 28, 2003
    • Koyo Seiko Co., Ltd.
    • Kikuo Yamashita
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Bi-directional oil seal with leakage recovering rib formations
    • Patent number 5,002,289
    • Issue date Mar 26, 1991
    • Koyo Seiko Co., Ltd.
    • Hiroyoshi Yasui
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water pump
    • Patent number 4,824,324
    • Issue date Apr 25, 1989
    • Koyo Seiko Co., Ltd.
    • Michitoshi Mitsumaru
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    WORM WHEEL
    • Publication number 20130199325
    • Publication date Aug 8, 2013
    • JTEKT Corporation
    • Jun HAMAKITA
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    ELECTRIC POWER STEERING SYSTEM
    • Publication number 20130133974
    • Publication date May 30, 2013
    • JTEKT Corporation
    • Jun HAMAKITA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Sealing device
    • Publication number 20100295254
    • Publication date Nov 25, 2010
    • Masahiro Tabata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Worm wheel and machine and method for forming the same
    • Publication number 20020078776
    • Publication date Jun 27, 2002
    • Kikuo Yamashita
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL