TREA

Keiji Okahashi

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  • Hirakata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic relay
    • Patent number 4,688,010
    • Issue date Aug 18, 1987
    • Matsushita Electric Works, Ltd.
    • Kazuhiro Nobutoki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical multilayer contact
    • Patent number 4,374,311
    • Issue date Feb 15, 1983
    • Matsushita Electric Works, Ltd.
    • Keiji Okahashi
    • H01 - BASIC ELECTRIC ELEMENTS