Patents by Inventor Daijiro NAGANO

Daijiro NAGANO 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, rubber composition for tires, and tire
    Patent number: 11312842
    Abstract: Provided is a rubber composition having a high vulcanization rate and excellent in storage stability. The rubber composition contains a rubber component that contains at least one type of a dienic rubber, a filler, a vulcanizing agent, a compound represented by a formula (1), a compound represented by a formula (2), and a vulcanization accelerator except the compound represented by the formula (1), wherein the total amount of the vulcanization accelerator and the compound represented by the formula (1) is 1.3 to 2.0 parts by mass relative to 100 parts by mass of the rubber component.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: April 26, 2022
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Daijiro Nagano
  • RUBBER COMPOSITION, RUBBER COMPOSITION FOR TIRES, AND TIRE
    Publication number: 20200369858
    Abstract: Provided is a rubber composition having a high vulcanization rate and excellent in storage stability. The rubber composition contains a rubber component that contains at least one type of a dienic rubber, a filler, a vulcanizing agent, a compound represented by a formula (1), a compound represented by a formula (2), and a vulcanization accelerator except the compound represented by the formula (1), wherein the total amount of the vulcanization accelerator and the compound represented by the formula (1) is 1.3 to 2.0 parts by mass relative to 100 parts by mass of the rubber component.
    Type: Application
    Filed: November 28, 2018
    Publication date: November 26, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Daijiro NAGANO