Patents by Inventor Ju-Chien Chen

Ju-Chien Chen 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).

  • Electric handtool
    Patent number: D532667
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: November 28, 2006
    Assignee: Mobiletron Electronics Co., Ltd.
    Inventors: Kim Y. C. Tsai, Ju-Chien Chen, Fu-Tasi Wu, Tung-Chin Kuo, Hsiang-Po Huang
  • Electric handtool
    Patent number: D534048
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: December 26, 2006
    Assignee: Mobiletron Electronics Co., Ltd.
    Inventors: Kim Y. C. Tsai, Ju-Chien Chen, Fu-Tasi Wu, Tung-Chin Kuo, Hsiang-Po Huang
  • Electric handtool
    Patent number: D534406
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: January 2, 2007
    Assignee: Mobiletron Electronics Co., Ltd.
    Inventors: Kim Y. C. Tsai, Ju-Chien Chen, Fu-Tasi Wu, Tung-Chin Kuo, Hsiang-Po Huang
  • Electric handtool
    Patent number: D534779
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: January 9, 2007
    Assignee: Mobiletron Electronics Co., Ltd.
    Inventors: Kim Y. C. Tsai, Ju-Chien Chen, Fu-Tasi Wu, Tung-Chin Kuo, Hsiang-Po Huang
  • Electric handtool
    Patent number: D536943
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: February 20, 2007
    Assignee: Mobiletron Electronics Co., Ltd.
    Inventors: Kim Y. C. Tsai, Ju-Chien Chen, Fu-Tasi Wu, Tung-Chin Kuo, Hsiang-Po Huang
  • Electric handtool
    Patent number: D536944
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: February 20, 2007
    Assignee: Mobiletron Electronics Co., Ltd.
    Inventors: Kim Y. C. Tsai, Ju-Chien Chen, Fu-Tasi Wu, Tung-Chin Kuo, Hsiang-Po Huang
  • Battery charger for electric tool
    Patent number: D541740
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: May 1, 2007
    Assignee: Mobiletron Electronics Co., Ltd.
    Inventors: Kim Y. C. Tsai, Ju-Chien Chen, Fu-Tasi Wu, Tung-Chin Kuo, Hsiang-Po Huang