Patents by Inventor Seiichi IMAIZUMI

Seiichi IMAIZUMI 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).

  • Electric power steering device
    Patent number: 10978986
    Abstract: A shortening of an initial diagnosis time is achieved, even after an elapse of a predetermined delay time from an ignition switch being switched to an off-state. After the ignition switch is switched to an off-state after an operation of a control device, which drives an electric motor that applies steering assistance force to a steering system, diagnosis of a power supply circuit that supplies power to the control device is carried out, and a diagnosis item to be implemented in a succeeding initial diagnosis is determined based on a result of the diagnosis.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: April 13, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Seiichi Imaizumi, Susumu Zeniya, Yuji Takatsuka, Yasushi Takemoto
  • ELECTRIC POWER STEERING DEVICE
    Publication number: 20180001924
    Abstract: A shortening of an initial diagnosis time is achieved, even after an elapse of a predetermined delay time from an ignition switch being switched to an off-state. After the ignition switch is switched to an off-state after an operation of a control device, which drives an electric motor that applies steering assistance force to a steering system, diagnosis of a power supply circuit that supplies power to the control device is carried out, and a diagnosis item to be implemented in a succeeding initial diagnosis is determined based on a result of the diagnosis.
    Type: Application
    Filed: May 8, 2015
    Publication date: January 4, 2018
    Applicant: Mitsubishi Electric Corporation
    Inventors: Seiichi IMAIZUMI, Susumu ZENIYA, Yuji TAKATSUKA, Yasushi TAKEMOTO