TREA

Yayoi Tazawa

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  • Shizuoka-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Black toner
    • Patent number 7,943,281
    • Issue date May 17, 2011
    • Canon Kabushiki Kaisha
    • Takaaki Kaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Coloring agent for toner, and toner
    • Patent number 7,049,039
    • Issue date May 23, 2006
    • Canon Kabushiki Kaisha
    • Yayoi Tazawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for producing toner
    • Patent number 6,808,855
    • Issue date Oct 26, 2004
    • Canon Kabushiki Kaisha
    • Yasukazu Ayaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner, and process for producing toner
    • Patent number 6,566,028
    • Issue date May 20, 2003
    • Canon Kabushiki Kaisha
    • Yayoi Tazawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner, and process for producing toner
    • Patent number 6,358,658
    • Issue date Mar 19, 2002
    • Canon Kabushiki Kaisha
    • Yayoi Tazawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for producing toner particles
    • Patent number 6,106,990
    • Issue date Aug 22, 2000
    • Canon Kabushiki Kaisha
    • Yayoi Tazawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Black Toner
    • Publication number 20090011353
    • Publication date Jan 8, 2009
    • Canon Kabushiki Kaisha
    • Takaaki Kaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Process for producing toner
    • Publication number 20030073020
    • Publication date Apr 17, 2003
    • Yasukazu Ayaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Coloring agent for toner, and toner
    • Publication number 20030027071
    • Publication date Feb 6, 2003
    • Yayoi Tazawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Toner, and process for producing toner
    • Publication number 20020197551
    • Publication date Dec 26, 2002
    • Yayoi Tazawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY