Patents by Inventor Tadanao Ohkubo

Tadanao Ohkubo 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 clutch control apparatus
    Patent number: 8246519
    Abstract: In an automatic clutch control with respect to a pressure-disengaged type of automatic clutch, when an working oil temperature increase has occurred in a state in which a clutch master cylinder is not in communication with a reservoir tank, a clutch stroke position is changed in a clutch engaging direction such that the number of engine revolutions matches the number of engine revolutions at the point in time when the clutch master cylinder and the reservoir tank became not in communication.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: August 21, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Tadanao Ohkubo
  • AUTOMATIC CLUTCH CONTROL APPARATUS
    Publication number: 20100041515
    Abstract: In an automatic clutch control apparatus according to one embodiment of the invention, with respect to a pressure-disengaged type of automatic clutch (2), when an working oil temperature increase has occurred in a state in which a clutch master cylinder (210) is not in communication with a reservoir tank (214), a clutch stroke position is changed in a clutch engaging direction such that the number of engine revolutions matches the number of engine revolutions at the point in time when the clutch master cylinder (210) and the reservoir tank (214) became not in communication.
    Type: Application
    Filed: July 30, 2008
    Publication date: February 18, 2010
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Tadanao Ohkubo