Patents by Inventor Yuusuke NISHIZAWA

Yuusuke NISHIZAWA 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 testing device and transmission testing method
    Patent number: 9863846
    Abstract: A transmission testing device that performs tests to verify transmission functionality has: an output shaft directly or indirectly coupled to a differential gear section of the transmission; a rotary driving unit for rotating the output shaft; and a cylindrical meshing unit comprising a meshing portion to mesh with a side gear of the differential gear section, and a chuck portion in which a fluid circuit is formed. The meshing unit is fixed to a differential case of the differential gear section by way of expanding the chuck portion in the radial direction of the chuck portion by applying pressure to the fluid in the fluid circuit.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: January 9, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Fumihiko Ichikawa, Yoshinori Miura, Yuusuke Nishizawa
  • TRANSMISSION TESTING DEVICE AND TRANSMISSION TESTING METHOD
    Publication number: 20150346055
    Abstract: A transmission testing device that performs tests to verify transmission functionality has: an output shaft directly or indirectly coupled to a differential gear section of the transmission; a rotary driving unit for rotating the output shaft; and a cylindrical meshing unit comprising a meshing portion to mesh with a side gear of the differential gear section, and a chuck portion in which a fluid circuit is formed. The meshing unit is fixed to a differential case of the differential gear section by way of expanding the chuck portion in the radial direction of the chuck portion by applying pressure to the fluid in the fluid circuit.
    Type: Application
    Filed: October 31, 2013
    Publication date: December 3, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Fumihiko ICHIKAWA, Yoshinori MIURA, Yuusuke NISHIZAWA