TREA

Rosa Chang

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  • Taipei, TW
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Patents Applicationslast 30 patents

  • Information Patent Application

    Tinsel Wire Structure and Manufacturing Method Thereof
    • Publication number 20190088385
    • Publication date Mar 21, 2019
    • Rosa CHANG
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    SIGNAL WIRE
    • Publication number 20100170697
    • Publication date Jul 8, 2010
    • Rosa CHANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Sound signal wire
    • Publication number 20060048967
    • Publication date Mar 9, 2006
    • Taiwan Maeden Co., Ltd.
    • Rosa Chang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE