Patents by Inventor Yi-Hsuen Huang

Yi-Hsuen Huang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

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    Patent number: D703750
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: April 29, 2014
    Assignee: Taiwan Hopax Chems. Mfg. Co., Ltd.
    Inventors: Chin-Chung Tsai, Yi-Hsuen Huang, Jen-Rong Liu
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    Patent number: D704074
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: May 6, 2014
    Assignee: Taiwan Hopax Chems. Mfg. Co., Ltd.
    Inventors: Chin-Chung Tsai, Yi-Hsuen Huang, Jen-Rong Liu
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    Patent number: D704570
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: May 13, 2014
    Assignee: Taiwan Hopax Chems. Mfg. Co, Ltd.
    Inventors: Chin-Chung Tsai, Yi-Hsuen Huang, Jen-Rong Liu
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    Patent number: D719037
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: December 9, 2014
    Assignee: Taiwan Hopax Chems. Mfg. Co, Ltd.
    Inventors: Chin-Chung Tsai, Yi-Hsuen Huang, Jen-Rong Liu