TREA

Takashi Sugiyama

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  • Shimodate, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multilayer printed wiring board
    • Patent number 5,688,408
    • Issue date Nov 18, 1997
    • Hitachi Chemical Company Ltd.
    • Yoshiyuki Tsuru
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer printed wiring board
    • Patent number 5,562,971
    • Issue date Oct 8, 1996
    • Hitachi Chemical Company, Ltd.
    • Yoshiyuki Tsuru
    • H01 - BASIC ELECTRIC ELEMENTS