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Dong-Hua Tan

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  • Tu Cheng, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Forming die
    • Patent number 8,371,150
    • Issue date Feb 12, 2013
    • Cheng Uei Precision Industry Co., Ltd.
    • Sen-hsiung Hu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    STAMPING TOOL
    • Publication number 20120324977
    • Publication date Dec 27, 2012
    • Yong-Ping Wu
  • Information Patent Application

    FORMING DIE
    • Publication number 20120111086
    • Publication date May 10, 2012
    • Cheng Uei Precision Industry Co., LTD.
    • SEN-HSIUNG HU
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...