TREA

Koji Hanafusa

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  • Kanuma, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Non-aqueous electrolyte cell
    • Patent number 6,004,693
    • Issue date Dec 21, 1999
    • Sumitomo Electric Industries, Ltd.
    • Yutaka Fukuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Nonaqueous electrolyte battery
    • Patent number 6,001,505
    • Issue date Dec 14, 1999
    • Sumitomo Electric Industries, Ltd.
    • Yutaka Fukuda
    • H01 - BASIC ELECTRIC ELEMENTS