Patents by Inventor Yumiko Ohkuma

Yumiko Ohkuma 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).

  • Patent number: D442564
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: May 22, 2001
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventor: Yumiko Ohkuma
  • Patent number: D443596
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: June 12, 2001
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventor: Yumiko Ohkuma