Patents by Inventor N boru Suganuma

N boru Suganuma 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).

  • Control system for small watercraft
    Patent number: 7182656
    Abstract: A small watercraft with an emergency shut-off system is provided. The emergency shut-off system is configured to shut off the engine of the small watercraft when the small watercraft is overturned. The emergency shut-off system comprises an electronic control unit that is operatively coupled to an overturn sensor and the engine. The electronic control unit is configured to sense a signal generated by the overturn switch. The electronic control unit is also configured to determine if the signal generated by the overturn switch continues for a period longer than a preset amount of time and to shut off the engine if the signal generated by the overturn switch continues beyond the preset amount of time. The electronic control unit can also be configured to activate a bilge pump when a level of water within the watercraft exceeds a predetermined level.
    Type: Grant
    Filed: November 18, 2003
    Date of Patent: February 27, 2007
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Masayoshi Nanami, Masaki Takegami, N boru Suganuma