TREA

Osamu Fujiwara

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  • Takasago, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel cell stack assembly
    • Patent number 4,719,157
    • Issue date Jan 12, 1988
    • Sanyo Electric Co., Ltd.
    • Masaru Tsutsumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Manifold device for fuel cell system
    • Patent number 4,670,361
    • Issue date Jun 2, 1987
    • Sanyo Electric Co., Ltd.
    • Masaru Tsutsumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fuel cell system
    • Patent number 4,642,274
    • Issue date Feb 10, 1987
    • Sanyo Electric Co., Ltd.
    • Masaru Tsutsumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fuel cell system and its vibration-proof device
    • Patent number 4,621,033
    • Issue date Nov 4, 1986
    • Sanyo Electric Co., Ltd.
    • Masaru Tsutsumi
    • H01 - BASIC ELECTRIC ELEMENTS