Patents by Inventor Shinichi Nishigaki

Shinichi Nishigaki 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).

  • Adaptor for endoscope
    Patent number: D271618
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: November 29, 1983
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Shinichi Nishigaki
  • Endoscope heater
    Patent number: D275226
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: August 21, 1984
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Shinichi Nishigaki
  • Pipe in heater for heating endoscope
    Patent number: D275228
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: August 21, 1984
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Shinichi Nishigaki
  • Tubular insert for an endoscope telescope heater
    Patent number: D279604
    Type: Grant
    Filed: April 13, 1982
    Date of Patent: July 9, 1985
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Shinichi Nishigaki