Patents by Inventor Satoko KITAMURA

Satoko KITAMURA 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).

  • Rubber composition and pneumatic tire having tread fabricated using rubber composition
    Patent number: 10086651
    Abstract: Provided are a rubber composition that shows a balanced improvement in fuel economy, abrasion resistance, and wet grip performance while having good processability, and a pneumatic tire including a tread formed from the rubber composition. The present invention relates to a rubber composition containing: a copolymer synthesized by copolymerization of a conjugated diene monomer and a compound represented by the formula (1) below; and carbon black and/or silica, wherein R11 and R12 are the same as or different from each other and each represent a hydrogen atom or a C1-C30 hydrocarbon group.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: October 2, 2018
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Toshifumi Haba, Koji Fujisawa, Gen Higa, Satoko Kitamura, Takahiro Mabuchi, Kazuya Torita
  • RUBBER COMPOSITION AND PNEUMATIC TIRE HAVING TREAD FABRICATED USING RUBBER COMPOSITION
    Publication number: 20160288570
    Abstract: Provided are a rubber composition that shows a balanced improvement in fuel economy, abrasion resistance, and wet grip performance while having good processability, and a pneumatic tire including a tread formed from the rubber composition. The present invention relates to a rubber composition containing: a copolymer synthesized by copolymerization of a conjugated diene monomer and a compound represented by the formula (1) below; and carbon black and/or silica, wherein R11 and R12 are the same as or different from each other and each represent a hydrogen atom or a C1-C30 hydrocarbon group.
    Type: Application
    Filed: July 29, 2014
    Publication date: October 6, 2016
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Koji FUJISAWA, Gen HIGA, Satoko KITAMURA, Takahiro MABUCHI, Kazuya TORITA