TREA

Yoshio Takizawa

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  • Hachioji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrophotographic photoreceptor
    • Patent number 5,320,921
    • Issue date Jun 14, 1994
    • Konica Corporation
    • Takeo Oshiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bisstyryl compound and the electrophotographic photoreceptors relat...
    • Patent number 5,270,140
    • Issue date Dec 14, 1993
    • Konica Corporation
    • Naoto Abew
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photoreceptor
    • Patent number 5,013,625
    • Issue date May 7, 1991
    • Konica Corporation
    • Yoshio Takizawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner for development of electrostatic images and image forming met...
    • Patent number 4,940,644
    • Issue date Jul 10, 1990
    • Konishiroku Photo Industry Co., Ltd.
    • Akitoshi Matsubara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Powdered electrostatic image developing toner
    • Patent number 4,931,375
    • Issue date Jun 5, 1990
    • Konishiroku Photo Industry Co., Ltd.
    • Kunio Akimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic image developing toner for use in heat-roller fixing
    • Patent number 4,795,689
    • Issue date Jan 3, 1989
    • Konishiroku Photo Industry Co. Ltd.
    • Akitoshi Matsubara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Azo photoreceptor
    • Patent number 4,579,800
    • Issue date Apr 1, 1986
    • Konishiroku Photo Industry Co., Ltd.
    • Naohiro Hirose
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Azo photoreceptor
    • Patent number 4,576,886
    • Issue date Mar 18, 1986
    • Konishiroku Photo Industry Co., Ltd.
    • Naohiro Hirose
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY