Patents by Inventor Ryota SONE

Ryota SONE 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 TIRE
    Publication number: 20230002533
    Abstract: This disclosure provides a rubber composition that can realize excellent low heat generating properties without deteriorating other performance. The rubber composition contains a rubber component and a filler, where the rubber component contains a conjugated diene-based polymer modified with a modifier containing a compound represented by the formula (1).
    Type: Application
    Filed: September 28, 2020
    Publication date: January 5, 2023
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Ryota SONE, Kyung Chang SEO, No Ma KIM, Ro Mi LEE, Jin Young KIM
  • RUBBER COMPOSITION AND TIRE
    Publication number: 20220411554
    Abstract: Provided is a rubber composition having excellent low heat generating properties. The rubber composition of the present disclosure contains a rubber component, a filler containing silica, and a silane coupling agent, where the rubber component contains a conjugated diene-based polymer modified with a modifier containing a compound represented by the formula (1), and the silane coupling agent is a compound represented by the formula (2).
    Type: Application
    Filed: September 23, 2020
    Publication date: December 29, 2022
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Ryota SONE
  • RUBBER COMPOSITION AND TIRE
    Publication number: 20220403057
    Abstract: Provided is a rubber composition that realizes excellent low heat generating properties while maintaining good steering stability when applied to a tire. The rubber composition of the present disclosure contains a rubber component containing a copolymer having a conjugated diene unit and an aromatic vinyl unit, and a filler, where the copolymer is a modified copolymer having a content of the aromatic vinyl unit of less than 10 mass % and modified with a modifier containing a compound represented by the formula (1).
    Type: Application
    Filed: September 23, 2020
    Publication date: December 22, 2022
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Ryota SONE
  • RUBBER COMPOSITION, METHOD FOR MANUFACTURING RUBBER COMPOSITION, AND TIRE
    Publication number: 20200190293
    Abstract: An object of the present disclosure is to provide a rubber composition having satisfactorily low hysteresis loss, while maintaining high wear resistance. In order to achieve the object, a rubber composition contains: a rubber component having diene-based rubber therein; and a tetrazine compound.
    Type: Application
    Filed: April 4, 2018
    Publication date: June 18, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Takumi TODA, Kenta ISHIBASHI, Hidenobu AKAHANE, Seiichi TAHARA, Ryota SONE