Patents by Inventor Yen-Chiu Chou

Yen-Chiu Chou 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).

  • Patent number: D443775
    Type: Grant
    Filed: May 2, 2000
    Date of Patent: June 19, 2001
    Inventor: Yen-Chiu Chou
  • Patent number: D518313
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: April 4, 2006
    Inventor: Yen-Chiu Chou
  • Patent number: D518314
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: April 4, 2006
    Inventor: Yen-Chiu Chou
  • Patent number: D518315
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: April 4, 2006
    Inventor: Yen-Chiu Chou
  • Patent number: D518662
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: April 11, 2006
    Inventor: Yen-Chiu Chou
  • Patent number: D518663
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: April 11, 2006
    Inventor: Yen-Chiu Chou
  • Patent number: D412627
    Type: Grant
    Filed: December 9, 1997
    Date of Patent: August 10, 1999
    Inventor: Yen-Chiu Chou
  • Patent number: D416711
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: November 23, 1999
    Inventor: Yen-Chiu Chou
  • Patent number: D416712
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: November 23, 1999
    Inventor: Yen-Chiu Chou