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Yunfeng Piao

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mask plate and manufacturing method thereof
    • Patent number 8,298,728
    • Issue date Oct 30, 2012
    • Beijing BOE Optoelectronics Technology Co., Ltd
    • Yunfeng Piao
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Masking process using photoresist
    • Patent number 8,017,285
    • Issue date Sep 13, 2011
    • Beijing BOE Optoelectronics Technology Co. Ltd.
    • Yunfeng Piao
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    MASK PLATE AND MANUFACTURING METHOD THEREOF
    • Publication number 20100040960
    • Publication date Feb 18, 2010
    • Yunfeng PIAO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MASKING PROCESS USING PHOTORESIST
    • Publication number 20090130571
    • Publication date May 21, 2009
    • BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    • Yunfeng Piao
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY