Patents by Inventor Mitsuru Manabe

Mitsuru Manabe 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: 10029517
    Abstract: A heavy-duty pneumatic tire includes a tread pattern including center lug grooves, shoulder lug grooves, a pair of circumferential primary grooves formed in wave-like shapes by alternately connecting ends of the center lug grooves and ends of the shoulder lug grooves and having a smaller width than the width of the shoulder lug grooves, center blocks defined by the center lug groove and the circumferential primary grooves, and a circumferential secondary groove extending in the tire circumferential direction so as to divide regions of the center blocks. The belt portion includes two or greater pairs of belts. The ratio of the width W8 of a belt having a smaller width in each of the belt pairs to the width W7 of a belt having a greater width is 0.75 or greater and 0.90 or less.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: July 24, 2018
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Mitsuru Manabe, Shoei Kakuta, Hideki Hamanaka, Yukihito Yamaguchi, Risa Tauchi, Toshiyuki Sato
  • Publication number: 20170240000
    Abstract: A heavy-duty pneumatic tire includes a tread pattern including center lug grooves, shoulder lug grooves, a pair of circumferential primary grooves formed in wave-like shapes by alternately connecting ends of the center lug grooves and ends of the shoulder lug grooves and having a smaller width than the width of the shoulder lug grooves, center blocks defined by the center lug groove and the circumferential primary grooves, and a circumferential secondary groove extending in the tire circumferential direction so as to divide regions of the center blocks. The belt portion includes two or greater pairs of belts. The ratio of the width W8 of a belt having a smaller width in each of the belt pairs to the width W7 of a belt having a greater width is 0.75 or greater and 0.90 or less.
    Type: Application
    Filed: October 19, 2015
    Publication date: August 24, 2017
    Inventors: Mitsuru Manabe, Shoei Kakuta, Hideki Hamanaka, Yukihito Yamaguchi, Risa Tauchi, Toshiyuki Sato