TREA

Tsutomu Shimizu

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  • Kusatsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic relay
    • Patent number 5,126,709
    • Issue date Jun 30, 1992
    • Omron Tateisi Electronics Co.
    • Takashi Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic relay
    • Patent number 4,993,787
    • Issue date Feb 19, 1991
    • Omron Tateisi Electronics Co.
    • Takashi Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic relay
    • Patent number 4,881,053
    • Issue date Nov 14, 1989
    • Omron Tateisi Electronics Co.
    • Takashi Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS