Patents by Inventor Yousuke Kawai

Yousuke Kawai 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).

  • Patent number: 11649885
    Abstract: A differential apparatus includes a differential unit and a multi-plate clutch. The differential unit includes a differential case, a differential gear and a pair of output gears. The differential case includes a case main body and a cover body to close an opening of the case main body. The opening of the case main body is formed on a side of one of the pair of output gears. The multi-plate clutch is provided only on a side of the opening of the case main body. Outer clutch plates of the multi-plate clutch are engaged with the differential case. Inner clutch plates of the multi-plate clutch are engaged with the one of the pair of the output gears.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: May 16, 2023
    Assignee: GKN Automotive Limited
    Inventors: Isao Hirota, Noboru Higano, Yousuke Kawai
  • Publication number: 20220213952
    Abstract: A differential apparatus includes a differential unit and a multi-plate clutch. The differential unit includes a differential case, a differential gear and a pair of output gears. The differential case includes a case main body and a cover body to close an opening of the case main body. The opening of the case main body is formed on a side of one of the pair of output gears. The multi-plate clutch is provided only on a side of the opening of the case main body. Outer clutch plates of the multi-plate clutch are engaged with the differential case. Inner clutch plates of the multi-plate clutch are engaged with the one of the pair of the output gears.
    Type: Application
    Filed: January 4, 2022
    Publication date: July 7, 2022
    Inventors: Isao Hirota, Noboru Higano, Yousuke Kawai
  • Patent number: 10781904
    Abstract: A differential apparatus includes a differential device, and a differential restricting portion configured to restrict a differential operation of the differential device. The differential device includes a differential case which is rotatably disposed, a differential gear which is rotatable while being supported by the differential case and revolves by rotation of the differential case, and a pair of output gears which are meshed with the differential gear and are rotatable relative to each other. The output gears include a gear member provided with a gear portion, and an output member including an output portion configured to output a driving force inputted to the output gears. A cam portion is provided between the gear member and the output member. The differential restricting portion is provided between the differential case and the output member.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: September 22, 2020
    Assignee: GKN Automotive Ltd.
    Inventors: Isao Hirota, Yousuke Kawai, Noboru Higano, Kazutaka Kawata
  • Publication number: 20190219143
    Abstract: A differential apparatus includes a differential device, and a differential restricting portion configured to restrict a differential operation of the differential device. The differential device includes a differential case which is rotatably disposed, a differential gear which is rotatable while being supported by the differential case and revolves by rotation of the differential case, and a pair of output gears which are meshed with the differential gear and are rotatable relative to each other. The output gears include a gear member provided with a gear portion, and an output member including an output portion configured to output a driving force inputted to the output gears. A cam portion is provided between the gear member and the output member. The differential restricting portion is provided between the differential case and the output member.
    Type: Application
    Filed: November 2, 2018
    Publication date: July 18, 2019
    Inventors: Isao Hirota, Yousuke Kawai, Noboru Higano, Kazutaka Kawata
  • Patent number: 4990397
    Abstract: An unsaturated polyester composition is provided comprising an unsaturate polyester component, a cross-linking monomer and as a modifier of the resin a polyoxyalkylene alcohol at least partially esterified with a polymerizable unsaturated carboxylic acid. The modifier is produced by esterifying the hydroxy group of a polyoxyalkylene mono- or polyalcohol at least partially with a polymerizable carboxylic acid such as a maleic acid.
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: February 5, 1991
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hidenari Tsunemi, Yasuo Fushiki, Asaichi Nishimura, Yousuke Kawai
  • Patent number: 4943474
    Abstract: An unsaturated polyester composition is provided comprising an unsaturate polyester component, a cross-linking monomer and as a modifier of the resin a polyoxyalkylene alcohol at least partially esterified with a polymerizable unsaturated carboxylic acid. The modifier is produced by esterifying the hydroxy group of a polyoxyalkylene mono- or polyalcohol at least partially with a polymerizable carboxylic acid such as maleic acid.
    Type: Grant
    Filed: January 12, 1989
    Date of Patent: July 24, 1990
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hidenari Tsunemi, Yasuo Fushiki, Asaichi Nishimura, Yousuke Kawai