Patents by Inventor Noboru Kobaysahi

Noboru Kobaysahi 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).

  • Jet propulsion unit and prime mover therefore
    Patent number: 5462460
    Abstract: A pair of small watercraft powered by a combined jet propulsion and prime mover unit so as to eliminate the use of separate impeller drive shafts passing through the water inlet duct. The prime mover may comprise either an electric motor or an internal combustion engine and is supported within a nacelle to the rear of the impeller.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: October 31, 1995
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventor: Noboru Kobaysahi