Patents by Inventor Kenji Uchino

Kenji Uchino 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).

  • Linear motor
    Patent number: 4857791
    Abstract: A linear motor is arranged to have two legs each of which have a different resonance frequency, when one of the legs is induced to resonate by applying a vibration having a frequency which corresponds to the resonance frequency of one of the legs, to the chassis of the motor, the motor proceeds in a first direction, while when a vibration having a second frequency which corresponds to the resonance frequency of the other leg is applied, the motor is propelled linearly in the other direction.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: August 15, 1989
    Assignees: Nissan Motor CO., Ltd., Alps Electric Co., Ltd.
    Inventors: Kenji Uchino, Kazumasa Ohnishi