TREA

Kun-Huang Chang

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  • Changshu, Changshu Village, Tanglo Shiang, Miao Li Hsien, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making foam material
    • Patent number 5,204,040
    • Issue date Apr 20, 1993
    • Kun-Huang Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Shoe pad
    • Patent number D313306
    • Issue date Jan 1, 1991
    • Kun H. Chang
    • D02 - Apparel and haberdashery
  • Information Patent Grant

    Shoe pad
    • Patent number D306651
    • Issue date Mar 20, 1990
    • Kun H. Chang
    • D02 - Apparel and haberdashery
  • Information Patent Grant

    Shoe pad
    • Patent number D306650
    • Issue date Mar 20, 1990
    • Kun H. Chang
    • D02 - Apparel and haberdashery
  • Information Patent Grant

    Shoe pad
    • Patent number D306515
    • Issue date Mar 13, 1990
    • Kun H. Chang
    • D02 - Apparel and haberdashery
  • Information Patent Grant

    Shoe pad
    • Patent number D302071
    • Issue date Jul 11, 1989
    • Kun H. Chang
    • D02 - Apparel and haberdashery
  • Information Patent Grant

    Method of producing high-density PU foam material
    • Patent number 4,666,646
    • Issue date May 19, 1987
    • Kun H. Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL