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Hirokazu Ito

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  • Nagoya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing polyester resin for toner
    • Patent number 7,365,150
    • Issue date Apr 29, 2008
    • Mitsubishi Rayon Co., Ltd.
    • Hirokazu Ito
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyester resin composition for toner and toner
    • Patent number 7,250,485
    • Issue date Jul 31, 2007
    • Mitsubishi Rayon Co., Ltd.
    • Hirokazu Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Polyester resin for full color toner
    • Patent number 6,007,958
    • Issue date Dec 28, 1999
    • Mitsubishi Rayon Company Ltd.
    • Hirokazu Ito
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Toner resin and process for its production
    • Patent number 5,914,380
    • Issue date Jun 22, 1999
    • Mitsubishi Rayon Company Ltd.
    • Hirokazu Ito
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Toner resin
    • Patent number 5,674,962
    • Issue date Oct 7, 1997
    • Mitsubishi Rayon Company Ltd.
    • Hirokazu Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Binder resin for toners
    • Patent number 5,518,848
    • Issue date May 21, 1996
    • Mitsubishi Rayon Co., Ltd.
    • Hirokazu Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Resin composition for toners
    • Patent number 5,409,989
    • Issue date Apr 25, 1995
    • Mitsubishi Rayon Co., Ltd.
    • Hirokazu Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner resin composition and process for preparing same
    • Patent number 5,342,722
    • Issue date Aug 30, 1994
    • Mitsubishi Rayon Company Ltd.
    • Hirokazu Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Polyester resin for toner
    • Patent number 5,276,127
    • Issue date Jan 4, 1994
    • Mitsubishi Rayon Company Ltd.
    • Masayuki Takyu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyester for electrophotography
    • Patent number 5,270,436
    • Issue date Dec 14, 1993
    • Mitsubishi Rayon Company Ltd.
    • Shinji Kubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyester resin for toner
    • Patent number 5,153,301
    • Issue date Oct 6, 1992
    • Mitsubishi Rayon Company Ltd.
    • Noriyuki Tajiri
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Crosslinked polyester resin from trihydric alcohol
    • Patent number 5,057,596
    • Issue date Oct 15, 1991
    • Mitsubishi Rayon Company Ltd.
    • Shinji Kubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyester resin for toner and process for its production
    • Patent number 4,988,794
    • Issue date Jan 29, 1991
    • Mitsubishi Rayon Company Limited
    • Shinji Kubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Crosslinked polyester for toner and process for preparation thereof
    • Patent number 4,980,448
    • Issue date Dec 25, 1990
    • Mitsubishi Rayon Company, Ltd.
    • Noriyuki Tajiri
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyester resin for toner and process for its production
    • Patent number 4,866,158
    • Issue date Sep 12, 1989
    • Mitsubishi Rayon Company
    • Shinji Kubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyester resin from tri- or higher polycarboxylic acid for toner a...
    • Patent number 4,849,495
    • Issue date Jul 18, 1989
    • Mitsubishi Rayon Company Limited
    • Ryo Funato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents