Patents by Inventor Hayao Itoh

Hayao Itoh 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).

  • Reduction gearing device for an automobile accessory motor
    Patent number: 4754660
    Abstract: A reduction gearing device for automobile accessory motor comprises first and second worms coaxially formed on a worm shaft in different thread directions, a pair of first and second intermediate gears each composed of two gear members, with one gear of each pair being engaged with a respective worm, and a common output gear engaged with the other gear member of each of the intermediate gears. The engagement of one intermediate gear with the first worm is in phase with the engagement of the other intermediate gear with the second worm while the engagement of one intermediate gear with the common output gear is in phase with the engagement of the other intermediate gear with the common output gear.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: July 5, 1988
    Assignee: Jidosha Denki Kogyo Kabushiki Kaisha
    Inventors: Kyoji Kobayashi, Yasuo Ohashi, Hayao Itoh