Patents by Inventor Yasutaka Suda

Yasutaka Suda 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).

  • Heavy duty tire
    Patent number: 9517659
    Abstract: The present invention provides a heavy duty tire, comprising: a carcass; a belt constituted of a circumferential belt including at least one circumferential belt layer and a slant belt including at least one slanted belt layer, each belt layer being made of cords coated with belt coating rubber; and a cushion rubber provided on the outer side in the tire width direction of the belt layers, characterized in that: the cushion rubber has a belt adjacent portion adjacent to the belt and a main body portion adjacent to the belt adjacent portion; and provided that E1?, E2? and E3? represent storage modulus values of the belt adjacent portion of the cushion rubber, the main body portion of the cushion rubber, and the belt coating rubber, respectively, E1?, E2? and E3? satisfy relationship E2?<E1??E3?.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: December 13, 2016
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Yasutaka Suda, Yusuke Yoshikawa, Shinya Yamamoto
  • HEAVY DUTY TIRE
    Publication number: 20150083300
    Abstract: The present invention provides a heavy duty tire, comprising: a carcass; a belt constituted of a circumferential belt including at least one circumferential belt layer and a slant belt including at least one slanted belt layer, each belt layer being made of cords coated with belt coating rubber; and a cushion rubber provided on the outer side in the tire width direction of the belt layers, characterized in that: the cushion rubber has a belt adjacent portion adjacent to the belt and a main body portion adjacent to the belt adjacent portion; and provided that E1?, E2? and E3? represent storage modulus values of the belt adjacent portion of the cushion rubber, the main body portion of the cushion rubber, and the belt coating rubber, respectively, E1?, E2? and E3? satisfy relationship E2?<E1??E3?.
    Type: Application
    Filed: April 18, 2013
    Publication date: March 26, 2015
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Yasutaka Suda, Yusuke Yoshikawa, Shinya Yamamoto
  • PNEUMATIC TIRE
    Publication number: 20110240198
    Abstract: An object of the present invention is to provide a pneumatic tire capable of reducing rolling resistance, while maintaining good durability of a belt.
    Type: Application
    Filed: December 15, 2009
    Publication date: October 6, 2011
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Yasutaka Suda, Hiroshi Nakata, Yusuko Yoshikawa, Takashi Ono, Makoto Tsuruta
  • Tread portion of an automobile tire
    Patent number: D646219
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: October 4, 2011
    Assignee: Bridgestone Corporation
    Inventors: Yasutaka Suda, Atsushi Yamada