Patents by Inventor Kouki Sugawara

Kouki Sugawara 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).

  • Printer
    Patent number: D316869
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: May 14, 1991
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Kouki Sugawara, Sampei Seki
  • Printer
    Patent number: D316870
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: May 14, 1991
    Assignee: Oki Electric Industry Co., Inc.
    Inventors: Kouki Sugawara, Kazuo Yoshida