Patents by Inventor Naoto Yukimoto

Naoto Yukimoto 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 for vibration damping rubbers, and vibration damping rubber
    Patent number: 10138360
    Abstract: A rubber composition for vibration damping rubbers, comprising, a rubber component which comprises at least one selected from the group consisting of natural rubbers and polyisoprene rubbers in an amount of 60 to 95 parts by weight, and which comprises a styrene butadiene rubber in an amount of 5 to 30 parts by weight and a complex zinc flower in an amount of 2 to 10 parts by weight for 100 parts by weight of the rubber component. The complex zinc flower has a nitrogen adsorption specific surface area of 15 to 110 m2/g, a DBP oil absorption amount of 50 to 100 mL/100 g, and a zinc flower concentration of 38 to 64% by weight.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: November 27, 2018
    Assignee: TOYO TIRE & RUBBER CO., LTD.
    Inventors: Naoto Yukimoto, Shuichi Tokunaga
  • RUBBER COMPOSITION FOR VIBRATION DAMPING RUBBERS, AND VIBRATION DAMPING RUBBER
    Publication number: 20170327667
    Abstract: A rubber composition for vibration damping rubbers, comprising, a rubber component which comprises at least one selected from the group consisting of natural rubbers and polyisoprene rubbers in an amount of 60 to 95 parts by weight, and which comprises a styrene butadiene rubber in an amount of 5 to 30 parts by weight and a complex zinc flower in an amount of 2 to 10 parts by weight for 100 parts by weight of the rubber component. The complex zinc flower has a nitrogen adsorption specific surface area of 15 to 110 m2/g, a DBP oil absorption amount of 50 to 100 mL/100 g, and a zinc flower concentration of 38 to 64% by weight.
    Type: Application
    Filed: January 27, 2015
    Publication date: November 16, 2017
    Applicant: TOYO TIRE & RUBBER CO., LTD.
    Inventors: Naoto Yukimoto, Shuichi Tokunaga