TREA

Yasuhiko Hasuda

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing disk for variator
    • Patent number 6,637,107
    • Issue date Oct 28, 2003
    • Koyo Seiko Co., Ltd.
    • Shinji Yasuhara
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Belt type nonstage transmission system
    • Patent number 6,478,701
    • Issue date Nov 12, 2002
    • Koyo Seiko Co., Ltd.
    • Sinji Yasuhara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Variable diameter pulley
    • Patent number 6,129,643
    • Issue date Oct 10, 2000
    • Koyo Seiko Co., Ltd.
    • Takao Tamagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents