TREA

Akinori Watanabe

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  • Katsuta, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Three phase controlling system
    • Patent number 4,101,819
    • Issue date Jul 18, 1978
    • Hitachi, Ltd.
    • Yasuyuki Maeda
    • G05 - CONTROLLING REGULATING