Patents by Inventor Misaki SHIIYA

Misaki SHIIYA 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).

  • Patent number: 11398789
    Abstract: A motor control system includes a motor and a motor control circuitry. The motor includes a rotation axis and a bearing rotatably supporting the rotation axis. The motor control circuitry is configured to control the motor. The motor control circuitry includes a driving time adding circuit configured to add up a driving time of the motor to obtain an accumulated driving time of the motor, a remaining lifetime calculation circuit configured to calculate a remaining lifetime of the bearing based on a lifetime of the bearing and the accumulated driving time, and a warning outputting circuit configured to output warning information when the remaining lifetime is equal to or less than a threshold.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: July 26, 2022
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Misaki Shiiya, Masahiro Touchi, Motomichi Ohto, Sadayuki Sato, Hideaki Ike, Jiro Muraoka
  • Publication number: 20200382036
    Abstract: A motor control system includes a motor and a motor control circuitry. The motor includes a rotation axis and a bearing rotatably supporting the rotation axis. The motor control circuitry is configured to control the motor. The motor control circuitry includes a driving time adding circuit configured to add up a driving time of the motor to obtain an accumulated driving time of the motor, a remaining lifetime calculation circuit configured to calculate a remaining lifetime of the bearing based on a lifetime of the bearing and the accumulated driving time, and a warning outputting circuit configured to output warning information when the remaining lifetime is equal to or less than a threshold.
    Type: Application
    Filed: August 20, 2020
    Publication date: December 3, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Misaki SHIIYA, Masahiro TOUCHI, Motomichi OHTO, Sadayuki SATO, Hideaki IKE, Jiro MURAOKA