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DA-QING CHENG

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  • Shenzhen City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Control assembly
    • Patent number 8,404,988
    • Issue date Mar 26, 2013
    • Fu Tai Hua Industry (Shenzhen) Co., Ltd.
    • Da-Qing Cheng
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fixing mechanism for battery and electronic device using the same
    • Patent number 8,367,236
    • Issue date Feb 5, 2013
    • HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    • Da-Qing Cheng
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Expansion card retention assembly
    • Patent number 8,325,492
    • Issue date Dec 4, 2012
    • Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
    • Da-Qing Cheng
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Press-button for electronic device
    • Patent number 8,093,522
    • Issue date Jan 10, 2012
    • Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
    • Da-Qing Cheng
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Positioning structure for USB connector
    • Patent number 7,811,111
    • Issue date Oct 12, 2010
    • Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
    • Da-Qing Cheng
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Positioning structure for USB connector
    • Patent number 7,699,633
    • Issue date Apr 20, 2010
    • Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
    • Da-Qing Cheng
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery connecting structure
    • Patent number 7,654,859
    • Issue date Feb 2, 2010
    • Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
    • Da-Qing Cheng
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTROL ASSEMBLY
    • Publication number 20110303522
    • Publication date Dec 15, 2011
    • HON HAI Precision Industry CO., LTD.
    • DA-QING CHENG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    EXPANSION CARD RETENTION ASSEMBLY
    • Publication number 20110008103
    • Publication date Jan 13, 2011
    • HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
    • DA-QING CHENG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    FIXING MECHANISM FOR BATTERY AND ELECTRONIC DEVICE USING THE SAME
    • Publication number 20100285343
    • Publication date Nov 11, 2010
    • HONG FU JIN PRECISION INDUSTRY (ShenZhen) Co., LTD.
    • DA-QING CHENG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    FIXING MECHANISM FOR STORAGE DEVICE
    • Publication number 20100276557
    • Publication date Nov 4, 2010
    • HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD,
    • Da-Qing Cheng
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    POSITIONING STRUCTURE FOR USB CONNECTOR
    • Publication number 20100105240
    • Publication date Apr 29, 2010
    • HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO. LTD.
    • DA-QING CHENG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PRESS-BUTTON FOR ELECTRONIC DEVICE
    • Publication number 20090308723
    • Publication date Dec 17, 2009
    • HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
    • DA-QING CHENG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BATTERY CONNECTING STRUCTURE
    • Publication number 20090233497
    • Publication date Sep 17, 2009
    • HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
    • DA-QING CHENG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POSITIONING STRUCTURE FOR USB CONNECTOR
    • Publication number 20090170376
    • Publication date Jul 2, 2009
    • HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    • DA-QING CHENG
    • H01 - BASIC ELECTRIC ELEMENTS