Patents by Inventor Hiroaki EBATA

Hiroaki EBATA 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 load tire
    Patent number: 11827060
    Abstract: A heavy load tire includes: a plurality of circumferential grooves extending along a tire circumferential direction; a plurality of lateral grooves extending along a tire width direction and formed in a direction crossing the circumferential grooves; and a plurality of blocks partitioned by the circumferential grooves and the lateral grooves. On a whole surface of one end portion in the tire circumferential direction of a center block formed in a center area among the plurality of blocks, an inclined portion inclined inward in a tire radial direction toward the end portion is formed.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: November 28, 2023
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Masakazu Sakamoto, Tomoo Hasegawa, Hiroaki Ebata
  • HEAVY LOAD TIRE
    Publication number: 20210260928
    Abstract: A heavy load tire includes: a plurality of circumferential grooves extending along a tire circumferential direction; a plurality of lateral grooves extending along a tire width direction and formed in a direction crossing the circumferential grooves; and a plurality of blocks partitioned by the circumferential grooves and the lateral grooves. On a whole surface of one end portion in the tire circumferential direction of a center block formed in a center area among the plurality of blocks, an inclined portion inclined inward in a tire radial direction toward the end portion is formed.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 26, 2021
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Masakazu SAKAMOTO, Tomoo HASEGAWA, Hiroaki EBATA
  • Tire tread
    Patent number: D949778
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: April 26, 2022
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Hiroaki Ebata, Tomoo Hasegawa, Masakazu Sakamoto