Patents by Inventor Yoshihiko KOMORI

Yoshihiko KOMORI 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: 20240255477
    Abstract: A method for estimating a state of wax in a rubber compound according to a first aspect includes the following: acquiring a chromatogram of an extracted component, by separating components thereof, in which the wax is extracted from the rubber compound including the wax; and deriving a distribution of normal hydrocarbons in the wax based on the chromatogram.
    Type: Application
    Filed: January 16, 2024
    Publication date: August 1, 2024
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Yuko IWASAKI, Yoshihiko KOMORI, Yumi KITAURA, Hiroaki YAMADA
  • Patent number: 11684823
    Abstract: An object of the present invention is to provide a golf ball having excellent color development stability. The present invention provides a golf ball comprising a core and a cover covering the core, wherein the cover is formed from a resin composition containing a first base resin and a fluorescent pigment, and the fluorescent pigment has a number-based cumulative median size of 2.5 ?m or more.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: June 27, 2023
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Kai Hayashi, Takahiro Shigemitsu, Kazuyoshi Shiga, Yoshihiko Komori, Toshiyuki Tarao, Masatoshi Yokota
  • Publication number: 20220251347
    Abstract: Provided is a tire which provides improved overall performance in terms of wet grip performance and abrasion resistance. Included is a tire including a tread containing a rubber composition, the rubber composition containing at least one rubber component and at least one silane coupling agent having a sulfur content of 10% by mass or higher, the rubber composition having an ash content of 36% by mass or higher, the rubber composition having a sulfur content of 1.0% by mass or lower when measured after acetone extraction.
    Type: Application
    Filed: May 29, 2020
    Publication date: August 11, 2022
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Yoshihiko KOMORI, Tatsuya MIYAZAKI
  • Publication number: 20210162268
    Abstract: An object of the present invention is to provide a golf ball having excellent color development stability. The present invention provides a golf ball comprising a core and a cover covering the core, wherein the cover is formed from a resin composition containing a first base resin and a fluorescent pigment, and the fluorescent pigment has a number-based cumulative median size of 2.5 ?m or more.
    Type: Application
    Filed: November 27, 2020
    Publication date: June 3, 2021
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventors: Kai HAYASHI, Takahiro SHIGEMITSU, Kazuyoshi SHIGA, Yoshihiko KOMORI, Toshiyuki TARAO, Masatoshi YOKOTA
  • Publication number: 20160046790
    Abstract: An unvulcanized tire includes an inner member including a rubber composition. The composition includes rubber component, carbon black and sulfide compound. The rubber component includes isoprene-based rubber, the sulfide compound of formula (I), where R1 represents a hydrogen atom, a linear or branched alkyl or alkenyl group, or a cyclic alkyl or alkenyl group, A represents O, S, NH or NR2, R2 represents a linear or branched alkyl or alkenyl group, or a cyclic alkyl or alkenyl group, n represents a whole number of 1 to 6, and x represents a whole number of 1 to 4, the carbon black includes carbon black A having nitrogen adsorption specific surface area of less than 50 m2/g in content of from 5 to 55 parts by mass and carbon black B having nitrogen adsorption specific surface area of 50 m2/g or greater in content of from 0 to 30 parts by mass.
    Type: Application
    Filed: August 14, 2015
    Publication date: February 18, 2016
    Applicant: SUMITOMO RUBBER INDUSTRIES LTD.
    Inventor: Yoshihiko KOMORI