TREA

Toshio Koizumi

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  • Kashihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic timing relay or similar article
    • Patent number D250184
    • Issue date Nov 7, 1978
    • Izumi Denki Corporation
    • Teizo Fujita
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Pneumatic timer
    • Patent number 4,104,602
    • Issue date Aug 1, 1978
    • Izumi Denki Corporation
    • Teizo Fujita
    • H01 - BASIC ELECTRIC ELEMENTS