TREA

Keishi Sugiyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical connector
    • Patent number 5,030,140
    • Issue date Jul 9, 1991
    • Hosiden Electronics Co., Ltd.
    • Keishi Sugiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical connector
    • Patent number 5,017,156
    • Issue date May 21, 1991
    • Hosiden Electronics Co., Ltd.
    • Keishi Sugiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical connector
    • Patent number 5,006,080
    • Issue date Apr 9, 1991
    • Hosiden Electronics Co., Ltd.
    • Norio Ichitsubo
    • H01 - BASIC ELECTRIC ELEMENTS