Patents by Inventor Mitsunari ISHIDA

Mitsunari ISHIDA 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).

  • Transmission device
    Patent number: 9958018
    Abstract: A transmission device that includes a first clutch that includes a first clutch drum, a first piston, and a first engagement oil chamber; and a second clutch that includes a second clutch drum fixed to an outer circumferential portion of the first clutch drum, a second piston, and a second engagement oil chamber.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: May 1, 2018
    Assignee: AISIN AW CO., LTD.
    Inventors: Takahiro Azumai, Mitsunari Ishida
  • Transmission device
    Patent number: 9719562
    Abstract: A transmission device that includes a first clutch that includes a first clutch drum, a first piston, and a first engagement oil chamber; and a second clutch that includes a second clutch drum fixed to an outer circumferential portion of the first clutch drum, a second piston, and a second engagement oil chamber.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: August 1, 2017
    Assignee: AISIN AW CO., LTD.
    Inventors: Takahiro Azumai, Mitsunari Ishida
  • TRANSMISSION DEVICE
    Publication number: 20160053826
    Abstract: A transmission device that includes a first clutch that includes a first clutch drum, a first piston, and a first engagement oil chamber; and a second clutch that includes a second clutch drum fixed to an outer circumferential portion of the first clutch drum, a second piston, and a second engagement oil chamber.
    Type: Application
    Filed: April 25, 2014
    Publication date: February 25, 2016
    Applicant: AISIN AW CO., LTD.
    Inventors: Takahiro AZUMAI, Mitsunari ISHIDA
  • TRANSMISSION DEVICE
    Publication number: 20160047426
    Abstract: A transmission device that includes a first clutch that includes a first clutch drum, a first piston, and a first engagement oil chamber; and a second clutch that includes a second clutch drum fixed to an outer circumferential portion of the first clutch drum, a second piston, and a second engagement oil chamber.
    Type: Application
    Filed: April 25, 2014
    Publication date: February 18, 2016
    Inventors: Takahiro AZUMAI, Mitsunari ISHIDA