TREA

Keisuke Maeda

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device for controlling a zoom lens of a camera
    • Patent number 4,945,371
    • Issue date Jul 31, 1990
    • Minolta Camera Kabushiki Kaisha
    • Takeshi Hashimoto
    • G02 - OPTICS
  • Information Patent Grant

    Photographic camera
    • Patent number 4,933,692
    • Issue date Jun 12, 1990
    • Minolta Camera Kabushiki Kaisha
    • Yoshinobu Kudo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Fixed-focus amphibious camera
    • Patent number 4,724,448
    • Issue date Feb 9, 1988
    • Minolta Camera Kabushiki Kaisha
    • Keisuke Maeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Flat camera with a retractable grip member
    • Patent number 4,575,206
    • Issue date Mar 11, 1986
    • Minolta Camera Kabushiki Kaisha
    • Keisuke Maeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Compact automatic focusing lens shutter type camera
    • Patent number 4,549,800
    • Issue date Oct 29, 1985
    • Minolta Camera Kabushiki Kaisha
    • Keisuke Maeda
    • G02 - OPTICS
  • Information Patent Grant

    Camera with a framing mirror
    • Patent number 4,490,029
    • Issue date Dec 25, 1984
    • Minolta Camera Kabushiki Kaisha
    • Harumi Tanaka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Easy loading mechanism for cameras
    • Patent number 4,396,164
    • Issue date Aug 2, 1983
    • Minolta Camera Kabushiki Kaisha
    • Keisuke Maeda
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Lens cap for a camera
    • Patent number 4,349,266
    • Issue date Sep 14, 1982
    • Minolta Camera K.K.
    • Keisuke Maeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera automatic focus apparatus
    • Patent number 4,297,015
    • Issue date Oct 27, 1981
    • Minolta Camera Kabushiki Kaisha
    • Toshiaki Matsumoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electromagnetic release mechanism for photographic cameras
    • Patent number 4,160,983
    • Issue date Jul 10, 1979
    • Minolta Camera Kabushiki Kaisha
    • Tetsuhiko Inagaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cameras with electrically controlled exposure for use with electron...
    • Patent number 4,112,442
    • Issue date Sep 5, 1978
    • Minolta Camera Kabushiki Kaisha
    • Keisuke Maeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY