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Shigeru Sugiyama

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Operation support system
    • Patent number 6,665,590
    • Issue date Dec 16, 2003
    • Hitachi, Ltd.
    • Yasushi Harada
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Operation support system
    • Publication number 20030083787
    • Publication date May 1, 2003
    • Hitachi, Ltd.
    • Yasushi Harada
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Operation support system and method
    • Publication number 20030083788
    • Publication date May 1, 2003
    • Yasushi Harada
    • G06 - COMPUTING CALCULATING COUNTING