Patents by Inventor Yasuhiro Yamaguti

Yasuhiro Yamaguti 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-jet recording device
    Patent number: 4333087
    Abstract: Ink-jet recording device includes an ink chamber for accommodating an ink body from which ink is jetted through a nozzle by applying a pressure and to which ink is supplied from an ink source through an ink inlet port. A porous filter is provided in the ink inlet port near the ink chamber, through which ink flows into the ink chamber.
    Type: Grant
    Filed: July 10, 1980
    Date of Patent: June 1, 1982
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventor: Yasuhiro Yamaguti