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LI-HSIEN CHANG

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  • TAIPEI COUNTY, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit test apparatus
    • Patent number 8,421,474
    • Issue date Apr 16, 2013
    • Princeton Technology Corporation
    • Cheng-Yung Teng
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Circuit testing apparatus
    • Patent number 8,228,384
    • Issue date Jul 24, 2012
    • Princeton Technology Corporation
    • Cheng-Yung Teng
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Driving simulation device for executing a simulating game
    • Patent number 8,109,830
    • Issue date Feb 7, 2012
    • International Games System Co., Ltd.
    • Li-Hsien Chang
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents