Patents by Inventor Yoshinari Matsubara

Yoshinari Matsubara 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: 4284116
    Abstract: A pneumatic tire for motorcycles having an excellent high speed running stability comprising a stress relieving rubber layer interposed between carcass plies and covering the center of a crown portion of the carcass over a range from 10% to 50% of the total width measured along the outer contour of a tread portion.
    Type: Grant
    Filed: February 5, 1980
    Date of Patent: August 18, 1981
    Assignee: Bridgestone Tire Co., Ltd.
    Inventors: Takeshi Sato, Yoshinari Matsubara