Patents by Inventor Naohisa Yoshimura

Naohisa Yoshimura 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).

  • Cleaning apparatus for cooling water passage of an outboard motor
    Patent number: 6095166
    Abstract: An outboard motor is provided with a cleaning apparatus for cleaning a cooling water passage, in which the cooling water passage is formed and an engine is covered by an engine cover, the cleaning apparatus including a connection device to which one end of a cleaning water tube, which is connected at another end thereof to the cooling water passage of the engine, is connected and a cleaning water hose is connectable to the connection device from an external side thereof. The connection device comprises a grommet mounted to the engine cover and a connector assembly mounted to the grommet. The connector assembly has a double-tube structure having an inside connecting portion and an outside connecting portion, the inside connecting portion having a union structure to which a city hose or garden hose is connected and the outside connecting portion having an outer peripheral portion to which a screw portion is formed.
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: August 1, 2000
    Assignee: Suzuki Kabushiki Kaisha
    Inventors: Naohisa Yoshimura, Kenichi Fujii, Fumio Matsui