TREA

Wen-Feng Cheng

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  • Tu-Cheng, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Direct type backlight module
    • Patent number 7,413,318
    • Issue date Aug 19, 2008
    • Hon Hai Precision Industry Co., Ltd.
    • Tung-Ming Hsu
    • G02 - OPTICS
  • Information Patent Grant

    Keypad light guide
    • Patent number 7,407,314
    • Issue date Aug 5, 2008
    • Sutech Trading Limited
    • Tung-Ming Hsu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Light guide plate and back light system using same
    • Patent number 7,292,767
    • Issue date Nov 6, 2007
    • Hon Hai Precision Industry Co., Ltd.
    • Wen-Feng Cheng
    • G02 - OPTICS
  • Information Patent Grant

    Keypad light guide
    • Patent number 7,067,753
    • Issue date Jun 27, 2006
    • Hon Hai Precision Industry Co., LTD
    • Wen-Feng Cheng
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents