Patents by Inventor Yosinori Ishii

Yosinori Ishii 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).

  • Patent number: 4774423
    Abstract: A wiper motor assembly including an electric motor and a speed reduction gear which are combined as a unit. A clutch assembly is incorporated with the speed reduction gear to cut off a gearing connection between a driving shaft of the motor and an output shaft of the speed reduction gear when the output encounters a certain level of resistance to rotation.
    Type: Grant
    Filed: January 16, 1987
    Date of Patent: September 27, 1988
    Assignees: Nissan Motor Co., Ltd., Jidosha Denki Kogyo Kabushiki Kaisha
    Inventors: Kazuo Karasawa, Yosinori Ishii, Yasuo Ohashi