Patents by Inventor Masahide Nishihata

Masahide Nishihata 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).

  • Pneumatic tire having a tread constructed of at least two kinds of rubbers
    Patent number: 4385653
    Abstract: A pneumatic radial-ply tire having a tread constructed of at least two kinds of rubber which is capable of attaining both braking performance and rolling resistance. The tread portion is constructed so that the tread center zone is comprised of a rubber having a low hysteresis loss and the tread side zones adjacent to the center zone on both sides thereof or the outer layers of them are each comprised of a rubber having a high hysteresis loss; the tread center zone and the tread side zones are disposed in parallel to each other in the circumferential direction or the tread side zones are each disposed adjoining to the tread center zone and in a superposing manner.
    Type: Grant
    Filed: December 1, 1980
    Date of Patent: May 31, 1983
    Assignee: Toyo Rubber Industry Co., Ltd.
    Inventors: Takuya Okazaki, Toyohiko Asada, Masahide Nishihata, Yukitoshi Morishita, Keijiro Oda