TREA

Shigeo Tohji

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic focusing device
    • Patent number 4,952,962
    • Issue date Aug 28, 1990
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Noboru Suzuki
    • G02 - OPTICS
  • Information Patent Grant

    Automatic focusing projector
    • Patent number 4,905,034
    • Issue date Feb 27, 1990
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Yasuyuki Tejima
    • G02 - OPTICS
  • Information Patent Grant

    Automatic focusing device
    • Patent number 4,868,592
    • Issue date Sep 19, 1989
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Noboru Suzuki
    • G02 - OPTICS