TREA

Yubin WANG

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  • Wuhan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bicomponent developing agent
    • Patent number 8,822,119
    • Issue date Sep 2, 2014
    • Hubei Dinglong Chemical Co., Ltd.
    • Shunquan Zhu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method for producing charge control agent and toner
    • Patent number 8,445,651
    • Issue date May 21, 2013
    • Hubei Dinglong Chemical Co., Ltd.
    • Shunquan Zhu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents