TREA

Tatsuya Hayakawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cabinet door prop unit
    • Patent number 5,971,514
    • Issue date Oct 26, 1999
    • Sugatsune Industrial Co., Ltd.
    • Tatsuya Hayakawa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Cabinet door prop unit
    • Patent number 5,904,411
    • Issue date May 18, 1999
    • Sugatsune Industrial Co., Ltd.
    • Tatsuya Hayakawa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Device for holding a flap door to a horizontal position
    • Patent number 5,530,993
    • Issue date Jul 2, 1996
    • Sugatsune Industrial Co., Ltd.
    • Tatsuya Hayakawa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Apparatus for opening and closing folding bed
    • Patent number 5,231,711
    • Issue date Aug 3, 1993
    • Sugatsune Industrial Co., Ltd.
    • Tatsuya Hayakawa
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Cabinet lid stay
    • Patent number 5,079,797
    • Issue date Jan 14, 1992
    • Sugatsune Industrial Co., Ltd.
    • Kazuyoshi Ohshima
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Coat lift hanger
    • Patent number 5,011,029
    • Issue date Apr 30, 1991
    • Sugatsune Industrial Co., Ltd.
    • Seiji Sugasawara
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Multi-disc damper using viscous fluid
    • Patent number 4,938,322
    • Issue date Jul 3, 1990
    • Sugatsune Industrial Co., Ltd.
    • Seiji Sugasawara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...