TREA

Atsuko Tohyama

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Secondary cell
    • Patent number 4,879,192
    • Issue date Nov 7, 1989
    • Hitachi Ltd.
    • Shigeoki Nishimura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Secondary battery
    • Patent number 4,559,284
    • Issue date Dec 17, 1985
    • Showa Denko K.K.
    • Shigeoki Nishimura
    • H01 - BASIC ELECTRIC ELEMENTS