Patents by Inventor Kazuhisa Kawakami

Kazuhisa Kawakami 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: D330387
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: October 20, 1992
    Assignee: Seiko Epson Corporation
    Inventor: Kazuhisa Kawakami