TREA

Osamu MUKUDAI

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Charge control agent composition and toner utilizing the same
    • Patent number 8,580,470
    • Issue date Nov 12, 2013
    • Hodogaya Chemical Co., Ltd.
    • Hideyuki Otsuka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Friction charge-providing member for positively-chargeable toner
    • Patent number 5,770,341
    • Issue date Jun 23, 1998
    • Osamu Mukudai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic image developing toner
    • Patent number 5,679,489
    • Issue date Oct 21, 1997
    • Hodogaya Chemical Co., Ltd.
    • Osamu Mukudai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic image developing toner
    • Patent number 5,413,892
    • Issue date May 9, 1995
    • Hodogaya Chemical Co., Ltd.
    • Yuji Matsuura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic image developing toner
    • Patent number 5,413,891
    • Issue date May 9, 1995
    • Hodogaya Chemical Co., Ltd.
    • Yuji Matsuura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic image developing toner
    • Patent number 5,391,454
    • Issue date Feb 21, 1995
    • Hodogaya Chemical Co., Ltd.
    • Osamu Mukudai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrophotographic toner
    • Patent number 5,378,573
    • Issue date Jan 3, 1995
    • Hodogaya Chemical Co., Ltd.
    • Mitsutoshi Anzai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrophotographic toner
    • Patent number 5,346,794
    • Issue date Sep 13, 1994
    • Hodogaya Chemical Co., Ltd.
    • Mitsutoshi Anzai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents