Patents by Inventor Toshiaki Matoba

Toshiaki Matoba 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).

  • Gear device
    Patent number: 11649887
    Abstract: A gear device includes an external gear, and an internal gear that meshes with the external gear. The external gear is formed of metal. The internal gear is formed of a carbon fiber reinforced resin.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: May 16, 2023
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Akira Yamamoto, Mitsuhiro Tamura, Kenji Shirouzu, Masahiro Watanabe, Toshiaki Matoba
  • Gear device
    Patent number: 11566696
    Abstract: A gear device includes a first gear, and a second gear meshing with the first gear. At least the first gear is made of a resin. The gear device further includes a connection member connected to an external member, a path member disposed in a path leading to the first gear and the connection member, and other members that are members other than the first gear, the second gear, the connection member, and the path member, and are made of a resin. The first gear, the connection member, and the path member are made of a resin having a higher thermal conductivity than a thermal conductivity of the other members.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: January 31, 2023
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Mitsuhiro Tamura, Toshiaki Matoba
  • GEAR DEVICE
    Publication number: 20210396304
    Abstract: A gear device includes an external gear, and an internal gear that meshes with the external gear. The external gear is formed of metal. The internal gear is formed of a carbon fiber reinforced resin.
    Type: Application
    Filed: June 16, 2021
    Publication date: December 23, 2021
    Inventors: Akira Yamamoto, Mitsuhiro Tamura, Kenji Shirouzu, Masahiro Watanabe, Toshiaki Matoba
  • GEAR DEVICE
    Publication number: 20210381589
    Abstract: A gear device includes a first gear, and a second gear meshing with the first gear. At least the first gear is made of a resin. The gear device further includes a connection member connected to an external member, a path member disposed in a path leading to the first gear and the connection member, and other members that are members other than the first gear, the second gear, the connection member, and the path member, and are made of a resin. The first gear, the connection member, and the path member are made of a resin having a higher thermal conductivity than a thermal conductivity of the other members.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 9, 2021
    Inventors: Mitsuhiro Tamura, Toshiaki Matoba
  • Speed reducer
    Patent number: D956839
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: July 5, 2022
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Akira Yamamoto, Mitsuhiro Tamura, Masahiro Watanabe, Toshiaki Matoba