Patents by Inventor Ko So Ping

Ko So Ping 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: D589378
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: March 31, 2009
    Assignee: Citizen Tokei Kabushiki Kaisha
    Inventors: Takayuki Takahashi, Ko So Ping