Patents by Inventor Morito KANKE

Morito KANKE 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).

  • Relay optical system for rigid endoscope
    Patent number: 11598947
    Abstract: A relay optical system 20 for a rigid endoscope includes a lens fixing frame 21 and a plurality of lenses 22. The lens fixing frame 21 has a plurality of tubular bodies 26. The plurality of tubular bodies 26 are joined coaxially to each other. The plurality of lenses 22 are located at positions other than a joint position jp of the tubular bodies 26 in an axis direction of the lens fixing frame 21. The plurality of lenses 22 are located in the lens fixing frame 21 so as to have a coincident optical axis. The plurality of lenses 22 do not include a cemented lens.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: March 7, 2023
    Assignees: Sumita Optical Glass, Inc.
    Inventors: Hiroki Watanabe, Morito Kanke, Shotaro Sano, Jun Otake, Dayong Li
  • RELAY OPTICAL SYSTEM FOR RIGID ENDOSCOPE
    Publication number: 20210349304
    Abstract: A relay optical system 20 for a rigid endoscope comprises a lens fixing frame 21 and a plurality of lenses 22. The lens fixing frame 21 has a plurality of tubular bodies 26. The plurality of tubular bodies 26 are joined coaxially to each other. The plurality of lenses 22 are located at positions other than a joint position jp of the tubular bodies 26 in an axis direction of the lens fixing frame 21. The plurality of lenses 22 are located in the lens fixing frame 21 so as to have a coincident optical axis. The plurality of lenses 22 do not include a cemented lens.
    Type: Application
    Filed: July 10, 2019
    Publication date: November 11, 2021
    Applicants: Sumita Optical Glass, Inc.
    Inventors: Hiroki WATANABE, Morito KANKE, Shotaro SANO, Jun OTAKE, Dayong LI