TREA

Hidetoshi Yasumoto

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  • Tondabayashi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light source device
    • Patent number 4,857,967
    • Issue date Aug 15, 1989
    • Minolta Camera Kabushiki Kaisha
    • Kazuhiko Naruse
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Enlarger for use in photography
    • Patent number 4,704,025
    • Issue date Nov 3, 1987
    • Minolta Camera Kabushiki Kaisha
    • Yoshio Yuasa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Enlarger for use in photography
    • Patent number 4,576,470
    • Issue date Mar 18, 1986
    • Minolta Camera Kabushiki Kaisha
    • Yoshio Yuasa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Color enlarger
    • Patent number 4,575,225
    • Issue date Mar 11, 1986
    • Minolta Camera Kabushiki Kaisha
    • Yoshio Yuasa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light source for exposure
    • Patent number 4,551,011
    • Issue date Nov 5, 1985
    • Minolta Camera Kabushiki Kaisha
    • Yoshio Yuasa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Automatic focusing device for an enlarger
    • Patent number 4,531,830
    • Issue date Jul 30, 1985
    • Minolta Camera Kabushiki Kaisha
    • Yoshio Yuasa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light measurement and light control data calculation device for a p...
    • Patent number 4,469,437
    • Issue date Sep 4, 1984
    • Minolta Camera Kabushiki Kaisha
    • Yoshio Yuasa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY