Patents by Inventor Chien C. Chih

Chien C. Chih 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: D327896
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: July 14, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Michio Yoshida, Chien C. Chih