TREA

Akio Tokunaga

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  • Kyoto, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealed lead-acid battery
    • Patent number 5,128,218
    • Issue date Jul 7, 1992
    • Japan Storage Battery Co., Ltd.
    • Akio Tokunaga
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Sealed lead-acid battery
    • Patent number 5,035,966
    • Issue date Jul 30, 1991
    • Japan Storage Battery Co., Ltd.
    • Akio Tokunaga
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Pasted type lead-acid battery
    • Patent number 4,485,156
    • Issue date Nov 27, 1984
    • Japan Storage Battery Company Limited
    • Akio Tokunaga
    • H01 - BASIC ELECTRIC ELEMENTS