TREA

Keiji Masuda

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  • Hachioji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exposure controlling apparatus
    • Patent number 4,939,537
    • Issue date Jul 3, 1990
    • Konishiroku Photo Industry Co., Ltd.
    • Keiji Masuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Charging apparatus
    • Patent number 4,908,513
    • Issue date Mar 13, 1990
    • Konica Corporation
    • Keiji Masuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrophotographic recording apparatus with corona-discharge devic...
    • Patent number 4,448,511
    • Issue date May 15, 1984
    • Konishiroku Photo Industry Co., Ltd.
    • Keiji Masuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic brush type developing device
    • Patent number 4,428,661
    • Issue date Jan 31, 1984
    • Konishiroku Photo Industry Co., Ltd.
    • Keiji Masuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Heated roller type fixing apparatus
    • Patent number 4,367,690
    • Issue date Jan 11, 1983
    • Konishiroku Photo Industry Co., Ltd.
    • Hirofumi Sakaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY