Patents by Inventor Setsuo Yajima

Setsuo Yajima 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).

  • Type cartridge for printer
    Patent number: D292714
    Type: Grant
    Filed: September 25, 1984
    Date of Patent: November 10, 1987
    Assignee: Ricoh Company, Ltd.
    Inventor: Setsuo Yajima