TREA

Mitsuko Ito

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  • Yokosuka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas detecting apparatus
    • Patent number 4,638,443
    • Issue date Jan 20, 1987
    • Hitachi, Ltd.
    • Masayoshi Kaneyasu
    • G08 - SIGNALLING
  • Information Patent Grant

    Gas detecting apparatus
    • Patent number 4,586,143
    • Issue date Apr 29, 1986
    • Hitachi, Ltd.
    • Masayoshi Kaneyasu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas detector
    • Patent number 4,481,499
    • Issue date Nov 6, 1984
    • Hitachi, Ltd.
    • Hideo Arima
    • G01 - MEASURING TESTING