Patents by Inventor Nobuo Sunaga

Nobuo Sunaga 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).

  • Hydraulic brake control assembly
    Patent number: 4119354
    Abstract: A hydraulic brake control assembly is provided in which a proportioning valve is actuated to reduce fluid pressure to be supplied to rear cylinders from a master cylinder in accordance with the vehicle deceleration. An inertia ball is adapted to control the movement of the proportioning valve via a flexible disc valve to increase or reduce the fluid pressure supply to the rear cylinders. The disc valve is deformable to open the proportioning valve if the pressure of the master cylinder exceeds a predetermined level.
    Type: Grant
    Filed: September 16, 1977
    Date of Patent: October 10, 1978
    Assignee: Jidosha Kiki Co., Ltd.
    Inventors: Naosuke Masuda, Nobuo Sunaga