Patents by Inventor Tomoko Tsuchida

Tomoko Tsuchida 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).

  • Container with extendable rod shaped solid
    Patent number: D452529
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: December 25, 2001
    Assignee: Kabushiki Kaisha Pilot
    Inventor: Tomoko Tsuchida
  • Ball-point pen
    Patent number: D462716
    Type: Grant
    Filed: December 31, 2001
    Date of Patent: September 10, 2002
    Assignee: The Pilot Ink Co., Ltd.
    Inventors: Tomoko Tsuchida, Mikiya Ido
  • Writing instrument
    Patent number: D417698
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: December 14, 1999
    Assignee: Kabushiki Kaisha Pilot
    Inventor: Tomoko Tsuchida