Patents by Inventor Nao KAWAKAMI

Nao KAWAKAMI 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).

  • Publication number: 20230383101
    Abstract: Provided are a pneumatic tire in which balance between dry steering stability and low rolling resistance is improved while excellent on-ice performance and wet grip performance are maintained, and a rubber composition from which the tire is obtained. The rubber composition contains a rubber component containing a natural rubber and a modified styrene-butadiene copolymer rubber having a glass transition temperature of ?50° C. or lower, a resin, a filler containing silica having a cetyltrimethylammonium bromide specific surface area of 190 m2/g or more, and an oil component. A content of the modified styrene-butadiene copolymer rubber in the rubber component is more than 50% by mass.
    Type: Application
    Filed: December 8, 2021
    Publication date: November 30, 2023
    Applicant: BRIDGESTON CORPORATION
    Inventor: Nao KAWAKAMI