TREA

Ying-Chou Chi

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  • Taichung County, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for forming contact opening
    • Patent number 7,294,579
    • Issue date Nov 13, 2007
    • Chunghwa Picture Tubes, Ltd.
    • Ying-Chou Chi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents