TREA

Michiro Ohishi

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  • Hatoyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ocular optical system
    • Patent number 4,389,097
    • Issue date Jun 21, 1983
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Michiro Ohishi
    • G02 - OPTICS
  • Information Patent Grant

    Copying optical system
    • Patent number 4,387,979
    • Issue date Jun 14, 1983
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Michiro Ohishi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Focus detecting device
    • Patent number 4,384,770
    • Issue date May 24, 1983
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Seijiro Tokutomi
    • G02 - OPTICS
  • Information Patent Grant

    Copying apparatus
    • Patent number 4,354,756
    • Issue date Oct 19, 1982
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Yasunori Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Interchangeable eye piece-housing
    • Patent number 4,279,489
    • Issue date Jul 21, 1981
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tetsuji Shono
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Focus detecting device
    • Patent number 4,258,989
    • Issue date Mar 31, 1981
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Seijiro Tokutomi
    • G02 - OPTICS