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KENG-TUAN CHANG

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for adjusting a focal length of a camera
    • Patent number 8,390,732
    • Issue date Mar 5, 2013
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Tuan Chang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Mouse with scanning module
    • Patent number 8,106,886
    • Issue date Jan 31, 2012
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Portable electronic device
    • Patent number 8,078,222
    • Issue date Dec 13, 2011
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method for making stamper for press molding optical articles
    • Patent number 8,002,999
    • Issue date Aug 23, 2011
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Mold for molding lens
    • Patent number 7,980,848
    • Issue date Jul 19, 2011
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Mold apparatus with multi-molding chamber
    • Patent number 7,926,303
    • Issue date Apr 19, 2011
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Lens module
    • Patent number 7,859,775
    • Issue date Dec 28, 2010
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Grant

    Lens module and camera having same
    • Patent number 7,819,593
    • Issue date Oct 26, 2010
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Grant

    Lens module and optical module incorporating same
    • Patent number 7,755,856
    • Issue date Jul 13, 2010
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Grant

    Lens module
    • Patent number 7,746,585
    • Issue date Jun 29, 2010
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Grant

    Lens module with spacer
    • Patent number 7,663,812
    • Issue date Feb 16, 2010
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Grant

    Lens module and camera module having same
    • Patent number 7,446,964
    • Issue date Nov 4, 2008
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Grant

    Device and method for testing lens modules
    • Patent number 7,443,492
    • Issue date Oct 28, 2008
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical member exchanging mechanism
    • Patent number 7,443,615
    • Issue date Oct 28, 2008
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Grant

    Electronic device with portable optical module
    • Patent number 7,385,773
    • Issue date Jun 10, 2008
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Alignment apparatus for use in testing optical modules
    • Patent number 7,343,076
    • Issue date Mar 11, 2008
    • Hon Hai Precision Industry Co., Ltd.
    • Keng-Ming Chang
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR ADJUSTING A FOCAL LENGTH OF A CAMERA
    • Publication number 20110096175
    • Publication date Apr 28, 2011
    • HON HAI Precision Industry CO., LTD.
    • KENG-TUAN CHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LENS MODULE
    • Publication number 20100259840
    • Publication date Oct 14, 2010
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Application

    METHOD FOR MANUFACTURING LENS GROUPS
    • Publication number 20100013113
    • Publication date Jan 21, 2010
    • HON HAI Precision Industry CO., LTD.
    • KENG-MING CHANG
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    STAMPER FOR PRESS-MOLDING OPTICAL ARTICLES, METHOD FOR MAKING SAME...
    • Publication number 20100007960
    • Publication date Jan 14, 2010
    • HON HAI Precision Industry CO., LTD.
    • KENG-MING CHANG
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    LENS MODULE WITH SPACER
    • Publication number 20090316282
    • Publication date Dec 24, 2009
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Application

    MOLD FIXING STRUCTURE
    • Publication number 20090246313
    • Publication date Oct 1, 2009
    • HON HAI Precision Industry CO., LTD.
    • KENG-MING CHANG
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    LENS MODULE AND OPTICAL MODULE INCORPORATING SAME
    • Publication number 20090225447
    • Publication date Sep 10, 2009
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Application

    MOLD APPARATUS WITH MULTI-MOLDING CHAMBER
    • Publication number 20090183527
    • Publication date Jul 23, 2009
    • HON HAI Precision Industry CO., LTD.
    • KENG-MING CHANG
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    LENS MODULE AND CAMERA HAVING SAME
    • Publication number 20090169198
    • Publication date Jul 2, 2009
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Application

    MOUSE WITH SCANNING MODULE
    • Publication number 20090167686
    • Publication date Jul 2, 2009
    • HON HAI Precision Industry CO., LTD.
    • KENG-MING CHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MOLD FOR MOLDING LENS
    • Publication number 20090169669
    • Publication date Jul 2, 2009
    • HON HAI Precision Industry CO., LTD.
    • KENG-MING CHANG
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    PORTABLE ELECTRONIC DEVICE
    • Publication number 20090163242
    • Publication date Jun 25, 2009
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LENS MODULE AND CAMERA MODULE HAVING SAME
    • Publication number 20080186600
    • Publication date Aug 7, 2008
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Application

    LENS MODULE
    • Publication number 20080151401
    • Publication date Jun 26, 2008
    • HON HAI Precision Industry CO., LTD.
    • KENG-MING CHANG
    • G02 - OPTICS
  • Information Patent Application

    DEVICE AND METHOD FOR TESTING LENS MODULES
    • Publication number 20070279619
    • Publication date Dec 6, 2007
    • HON HAI Precision Industry CO., LTD.
    • KENG-MING CHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VACUUM FIXTURE
    • Publication number 20070175022
    • Publication date Aug 2, 2007
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    ELECTRONIC DEVICE WITH PORTABLE OPTICAL MODULE
    • Publication number 20070159534
    • Publication date Jul 12, 2007
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Lens filter selection device
    • Publication number 20070154209
    • Publication date Jul 5, 2007
    • HON HAI Precision Industry CO., LTD.
    • KENG-MING CHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL MODULE TESTING APPARATUS
    • Publication number 20070147764
    • Publication date Jun 28, 2007
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • G01 - MEASURING TESTING
  • Information Patent Application

    PORTABLE ELECTRONIC DEVICE WITH CAMERA MODULE
    • Publication number 20070122145
    • Publication date May 31, 2007
    • HON HAI Precision Industry CO., LTD.
    • KENG-MING CHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Portable electronic device with a rotatable camera module
    • Publication number 20070120960
    • Publication date May 31, 2007
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical member exchanging mechanism
    • Publication number 20070070512
    • Publication date Mar 29, 2007
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • G02 - OPTICS
  • Information Patent Application

    Portable computer
    • Publication number 20070070599
    • Publication date Mar 29, 2007
    • HON HAI Precision Industry CO., LTD.
    • Keng-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING