Patents by Inventor Katumi Okazaki

Katumi Okazaki 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).

  • Multiple-displacement engine
    Patent number: 4556026
    Abstract: A multiple-displacement engine which can be operated either in a full-displacement state in which all the cylinders are operative or a part-displacement state in which a part of the cylinders are inoperative is provided with a balancer for attenuating torque fluctuation due to explosion in the operative cylinders in the part-displacement state of the engine. The engine is further provided with a balancer actuator which actuates the balancer when the engine is operated in the part-displacement state.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: December 3, 1985
    Assignee: Mazda Motor Corporation
    Inventors: Shunji Masuda, Hisashi Nakaya, Katumi Okazaki