Patents by Inventor Tomo ATARASHI

Tomo ATARASHI 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).

  • Control device for vehicle drive device
    Patent number: 10023181
    Abstract: A control device that includes an electronic control unit that is programmed to: perform shift device shift control in order to change a speed ratio, which is a ratio of a rotational speed of the internal combustion engine to a rotational speed of the output member, by changing at least the shift speed that is established by the shift device; and perform differential gear shift control in in order to change the speed ratio by changing rotational speeds of the first rotary element and the second rotary element of the differential gear unit without changing the shift speed that is established by the shift device.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: July 17, 2018
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomo Atarashi, Masaki Yoshida, Tooru Matsubara, Munehiro Katsumata, Kazuyuki Shiiba
  • CONTROL DEVICE FOR VEHICLE DRIVE DEVICE
    Publication number: 20170225676
    Abstract: A control device that includes an electronic control unit that is programmed to: perform shift device shift control in order to change a speed ratio, which is a ratio of a rotational speed of the internal combustion engine to a rotational speed of the output member, by changing at least the shift speed that is established by the shift device; and perform differential gear shift control in in order to change the speed ratio by changing rotational speeds of the first rotary element and the second rotary element of the differential gear unit without changing the shift speed that is established by the shift device.
    Type: Application
    Filed: October 23, 2015
    Publication date: August 10, 2017
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomo ATARASHI, Masaki YOSHIDA, Tooru MATSUBARA, Munehiro KATSUMATA, Kazuyuki SHIIBA