Patents by Inventor Kaoru Nanamura

Kaoru Nanamura 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).

  • Brake master cylinder
    Patent number: 4495772
    Abstract: A brake master cylinder having a push rod including a body which includes resin material, a metal liner inserted within the body, a seal member disposed between the body and the metal liner, a piston slidably positioned within the metal liner and actuated by the push rod wherein the length of metal liner is slightly longer than the length of large diameter portion of the piston which is in contact with an inside wall of the metal liner plus a length defined by the range in stroke of the piston and a support member for securely holding the metal liner and limiting movement of the push rod.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: January 29, 1985
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Yohichi Furuta, Kaoru Tsubouchi, Kaoru Nanamura