Patents by Inventor Keita SUWA

Keita SUWA 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).

  • Automatic transmission
    Patent number: 9927027
    Abstract: The automatic transmission which includes a third brake element formed by a support member including a first cylindrical portion having a first sliding surface at an outer peripheral surface thereof, a second cylindrical portion having a second sliding surface at an inner peripheral surface thereof and a third cylindrical portion having a third sliding surface at an inner peripheral surface thereof, an inner side piston, inner edge portion of which is in contact with the first sliding surface and an outer edge portion of which is in contact with the second sliding surface and an outer side piston which includes a first piston cylindrical portion, outer edge of which is in contact with the second sliding surface over an entire periphery thereof and a second piston cylindrical portion, outer edge portion of which is in contact with the third sliding surface over an entire periphery thereof.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: March 27, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hideaki Niimi, Hideki Nakamura, Keita Suwa, Minoru Todo, Tsuyoshi Fukaya, Takuya Nakajima
  • AUTOMATIC TRANSMISSION
    Publication number: 20170276245
    Abstract: The automatic transmission which includes a third brake element formed by a support member including a first cylindrical portion having a first sliding surface at an outer peripheral surface thereof, a second cylindrical portion having a second sliding surface at an inner peripheral surface thereof and a third cylindrical portion having a third sliding surface at an inner peripheral surface thereof, an inner side piston, inner edge portion of which is in contact with the first sliding surface and an outer edge portion of which is in contact with the second sliding surface and an outer side piston which includes a first piston cylindrical portion, outer edge of which is in contact with the second sliding surface over an entire periphery thereof and a second piston cylindrical portion, outer edge portion of which is in contact with the third sliding surface over an entire periphery thereof.
    Type: Application
    Filed: March 23, 2017
    Publication date: September 28, 2017
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hideaki NIIMI, Hideki NAKAMURA, Keita SUWA, Minoru TODO, Tsuyoshi FUKAYA, Takuya NAKAJIMA