TREA

Ryoji Okazaki

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  • Katano, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Zinc-alkaline battery
    • Patent number 4,861,688
    • Issue date Aug 29, 1989
    • Matsushita Electric Indus. Co. Ltd.
    • Akira Miura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Zinc-alkaline battery
    • Patent number 4,735,876
    • Issue date Apr 5, 1988
    • Matsushita Electric Industrial Co., Ltd.
    • Akira Miura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for producing solid electrolyte primary cell
    • Patent number 4,332,865
    • Issue date Jun 1, 1982
    • Matsushita Electric Industrial Co., Ltd.
    • Tadashi Sotomura
    • H01 - BASIC ELECTRIC ELEMENTS