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Koji Amakawa

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel cell using liquid electrolyte
    • Patent number 4,808,492
    • Issue date Feb 28, 1989
    • Hitachi Ltd.
    • Norihira Uozumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fuel cell
    • Patent number 4,615,955
    • Issue date Oct 7, 1986
    • Hitachi, Ltd.
    • Koji Amakawa
    • H01 - BASIC ELECTRIC ELEMENTS