Patents by Inventor Daqian Wang

Daqian Wang 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
    Patent number: 9038682
    Abstract: The pneumatic tire 1 includes a belt layer 14 that includes a circumferential reinforcing layer 145 and a pair of cross belts 142, 143. Also, the pneumatic tire 1 includes at least three or more circumferential main grooves 21 to 23 in the tread portion having groove bottoms that are convex in the groove depth direction. Also, the curvature radius RA of the groove bottom of an arbitrary first circumferential main groove 21, 22 and the curvature radius RB of the groove bottom of an arbitrary second circumferential main groove 23 have the relationship RA<RB.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: May 26, 2015
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Daqian Wang
  • Pneumatic Tire
    Publication number: 20140345766
    Abstract: The pneumatic tire 1 includes a belt layer 14 that includes a circumferential reinforcing layer 145 and a pair of cross belts 142, 143. Also, the pneumatic tire 1 includes at least three or more circumferential main grooves 21 to 23 in the tread portion having groove bottoms that are convex in the groove depth direction. Also, the curvature radius RA of the groove bottom of an arbitrary first circumferential main groove 21, 22 and the curvature radius RB of the groove bottom of an arbitrary second circumferential main groove 23 have the relationship RA<RB.
    Type: Application
    Filed: August 10, 2011
    Publication date: November 27, 2014
    Applicant: The Yokohama Rubber Co., LTD.
    Inventor: Daqian Wang