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Yoshimune Matsuyama

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Substation system
    • Patent number 7,043,381
    • Issue date May 9, 2006
    • Hitachi, Ltd.
    • Takayuki Wakida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Substation system
    • Patent number 6,832,169
    • Issue date Dec 14, 2004
    • Hitachi, Ltd.
    • Takayuki Wakida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Substation system
    • Publication number 20040236526
    • Publication date Nov 25, 2004
    • Hitachi, Ltd.
    • Takayuki Wakida
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Substation system
    • Publication number 20030144803
    • Publication date Jul 31, 2003
    • Takayuki Wakida
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...