TREA

Ya-Hui CHANG

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  • New Taipei City, TW
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Patents Applicationslast 30 patents

  • Information Patent Application

    SKIN WHITENING COMPOSITION
    • Publication number 20240058241
    • Publication date Feb 22, 2024
    • Richtrong Group LLC
    • Tsong-Min CHANG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    INTERNAL BONE FIXATION DEVICE
    • Publication number 20170035480
    • Publication date Feb 9, 2017
    • Human Origin Biotechnology Co., Ltd.
    • LIEN-GUO DAI
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    SUCTION-IRRIGATION HEAD
    • Publication number 20160303310
    • Publication date Oct 20, 2016
    • ShineIN Biotechnology Co., Ltd.
    • Lien-Guo DAI
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE