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Chen-Yi Tsai

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  • Hsinchu County, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lens
    • Patent number 11,237,309
    • Issue date Feb 1, 2022
    • RAYS OPTICS INC.
    • Chen-Cheng Lee
    • G02 - OPTICS
  • Information Patent Grant

    Lens and manufacturing method thereof
    • Patent number 10,634,866
    • Issue date Apr 28, 2020
    • RAYS OPTICS INC.
    • Chen-Yi Tsai
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    LENS
    • Publication number 20200249379
    • Publication date Aug 6, 2020
    • Rays Optics Inc.
    • Chen-Cheng Lee
    • G02 - OPTICS
  • Information Patent Application

    LENS AND MANUFACTURING METHOD THEREOF
    • Publication number 20190346652
    • Publication date Nov 14, 2019
    • Rays Optics Inc.
    • Chen-Yi Tsai
    • G02 - OPTICS