TREA

Makoto Ogawa

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  • Chigasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power supply system
    • Patent number 4,425,512
    • Issue date Jan 10, 1984
    • Hitachi, Ltd.
    • Keiji Tomooka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE