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Chih-Kuang Chang

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  • Guangdong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Touch control device
    • Patent number 10,795,498
    • Issue date Oct 6, 2020
    • INTERFACE TECHNOLOGY (CHENGDU) CO., LTD.
    • Chih-Peng Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Touch panel
    • Patent number 9,535,521
    • Issue date Jan 3, 2017
    • INTERFACE OPTOELECTRONICS CORPORATION
    • Chih-Peng Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    System and method for automatically identifying a geometrical eleme...
    • Patent number 7,697,788
    • Issue date Apr 13, 2010
    • Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd.
    • Hua-Wei Yang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    System and method for measuring workpieces
    • Patent number 7,440,867
    • Issue date Oct 21, 2008
    • Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd.
    • Chih-Kuang Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    System and method for automatic focusing of images
    • Patent number 7,339,147
    • Issue date Mar 4, 2008
    • Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd.
    • Li Jiang
    • G02 - OPTICS

Patents Applicationslast 30 patents