TREA

Yoshitomo Koga

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Image forming apparatus having function of dust removal
    • Patent number 5,239,345
    • Issue date Aug 24, 1993
    • Oki Electric Industry Co., Ltd.
    • Hiroshi Kikuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Replaceable toner cartridge with internal stirring member, and elec...
    • Patent number 5,235,389
    • Issue date Aug 10, 1993
    • Oki Electric Industry Co., Ltd.
    • Hiroshi Kikuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing apparatus
    • Patent number 5,132,734
    • Issue date Jul 21, 1992
    • Oki Electric Industry Co., Ltd.
    • Yoshiharu Momiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Pressure fixing device
    • Patent number 4,417,803
    • Issue date Nov 29, 1983
    • Oki Electric Industry Co., Ltd.
    • Masato Kobayashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY