Patents by Inventor Cheng-Chieh Tsai

Cheng-Chieh Tsai 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).

  • Mobile phone
    Patent number: D512975
    Type: Grant
    Filed: November 15, 2004
    Date of Patent: December 20, 2005
    Assignee: Fih Co., Ltd.
    Inventors: Cheng-Chieh Tsai, Tzu-Cheng Yu, Xue-Song Fan, Yu-Chuan Liang, Ming-Ling Chen
  • Digital video disk player
    Patent number: D531970
    Type: Grant
    Filed: September 14, 2004
    Date of Patent: November 14, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd
    Inventors: Cheng-Chieh Tsai, Tzu-Cheng Yu, Ping Huo, Yu-Chung Liang, Hong-Xiu Luo, Ho-An Chen
  • Digital video disk player
    Patent number: D533527
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: December 12, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Cheng-Chieh Tsai, Tzu-Cheng Yu, Hong-Xiu Luo, Ming-Ling Chen
  • Mobile phone
    Patent number: D573967
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: July 29, 2008
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., Sutech Trading Limited
    Inventors: Cheng-Chieh Tsai, Hong-Xiu Luo, Tzu-Cheng Yu
  • Mobile phone
    Patent number: D595683
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: July 7, 2009
    Assignee: FIH (Hong Kong) Limited
    Inventors: Cheng-Chieh Tsai, Tzu-Cheng Yu, Kun Liu, Hong-Xiu Luo
  • Mobile phone
    Patent number: D615062
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: May 4, 2010
    Assignee: FIH (Hong Kong) Limited
    Inventors: Cheng-Chieh Tsai, Tzu-Cheng Yu
  • Notebook computer
    Patent number: D620002
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: July 20, 2010
    Assignee: FIH (Hong Kong) Limited
    Inventors: Cheng-Chieh Tsai, Ho-Chyuan Su, Tzu-Cheng Yu, Ming-Ling Chen, Hsun-Chen Chu, Po-Ching Huang