Patents by Inventor Shun NAGASAWA

Shun NAGASAWA 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: 10980401
    Abstract: An endoscope includes a bending operation apparatus including: a rod-like shaft section that is standing perpendicularly from one surface of an operation section and capable of being tilted; and a cover member including a central section that is placed to externally cover the rod-like shaft section in a water tight manner, a peripheral section that closes in a water tight manner an opening portion in which the rod-like shaft section is disposed, and an intermediate section provided between the peripheral section and the central section, wherein the cover member of the bending operation apparatus includes a deformation restricting section that is a tubular section formed along a longitudinal axis of the rod-like shaft section and placed to externally cover an intermediate portion of the rod-like shaft section, and restricts outward expansion of the intermediate section.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: April 20, 2021
    Assignee: OLYMPUS CORPORATION
    Inventors: Keisuke Hatano, Shun Nagasawa
  • Publication number: 20180317748
    Abstract: An endoscope includes a bending operation apparatus including: a rod-like shaft section that is standing perpendicularly from one surface of an operation section and capable of being tilted; and a cover member including a central section that is placed to externally cover the rod-like shaft section in a water tight manner, a peripheral section that closes in a water tight manner an opening portion in which the rod-like shaft section is disposed, and an intermediate section provided between the peripheral section and the central section, wherein the cover member of the bending operation apparatus includes a deformation restricting section that is a tubular section formed along a longitudinal axis of the rod-like shaft section and placed to externally cover an intermediate portion of the rod-like shaft section, and restricts outward expansion of the intermediate section.
    Type: Application
    Filed: July 18, 2018
    Publication date: November 8, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Keisuke HATANO, Shun NAGASAWA