TREA

Eiji Matsumasa

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  • Kyoto, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery package
    • Patent number 5,912,092
    • Issue date Jun 15, 1999
    • Hitachi Maxell, Ltd.
    • Hiroshi Maruyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Secondary battery protection device from overcharge/overdischarge
    • Patent number 5,896,025
    • Issue date Apr 20, 1999
    • Hitachi Maxell, Ltd.
    • Takeshi Yamaguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER