Patents by Inventor Toshihiko Ujtia

Toshihiko Ujtia 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).

  • Ink cartridge for printer
    Patent number: D352060
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: November 1, 1994
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hidemi Kubota, Toshihiko Ujtia, Kenjiro Watanabe, Torachika Osada, Kayomi Sato