Patents by Inventor Koichi OTAGURO

Koichi OTAGURO 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).

  • Marine propulsion device
    Patent number: 12180880
    Abstract: A marine propulsion device (12) has an internal combustion engine (10) which includes a cooling water passage (20, 22, 32, 40) provided in an engine main body (14) of the internal combustion engine, a thermostat valve (34, 42) provided in the cooling water passage for opening and closing the cooling water passage according to a temperature of cooling water in the cooling water passage, and a cylindrical cooling water introduction member (96) surrounding the thermostat valves.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: December 31, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hideaki Takada, Yasumasa Tamura, Noriaki Tsutsumi, Koichi Otaguro
  • MARINE PROPULSION DEVICE
    Publication number: 20240309797
    Abstract: A marine propulsion device (12) has an internal combustion engine (10) which includes a cooling water passage (20, 22, 32, 40) provided in an engine main body (14) of the internal combustion engine, a thermostat valve (34, 42) provided in the cooling water passage for opening and closing the cooling water passage according to a temperature of cooling water in the cooling water passage, and a cylindrical cooling water introduction member (96) surrounding the thermostat valves.
    Type: Application
    Filed: March 15, 2023
    Publication date: September 19, 2024
    Inventors: Hideaki TAKADA, Yasumasa TAMURA, Noriaki TSUTSUMI, Koichi OTAGURO