Patents by Inventor Tomofumi Nishiyama

Tomofumi Nishiyama 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).

  • Motor control system, control method, and motor control apparatus
    Patent number: 11181881
    Abstract: A motor control system includes motor control apparatuses and position detectors. Each of the motor control apparatuses is configured to control at least one of the motors. The position detectors each of which corresponds to each of the motors and each of which is configured to detect position information of each of the motors. All of the plurality of position detectors are connected in series under a control of a first motor control apparatus among the motor control apparatuses. The first motor control apparatus is configured to transfer the position information of the motors read out from the position detectors to other motor control apparatuses among the motor control apparatuses.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: November 23, 2021
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Isamu Matsumura, Yusuke Tanaka, Tomofumi Nishiyama
  • Industrial communication system, industrial instrument, and industrial communication method
    Patent number: 10852713
    Abstract: An industrial communication system includes multiple industrial instruments connected in series and including a first industrial instrument and a second industrial instrument connected to the first industrial instrument.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 1, 2020
    Assignee: KABUSHIKI KAISHA YASHAWA DENKI
    Inventors: Hidetsugu Koga, Isamu Matsumura, Tomofumi Nishiyama
  • MOTOR CONTROL SYSTEM, CONTROL METHOD, AND MOTOR CONTROL APPARATUS
    Publication number: 20200089187
    Abstract: A motor control system includes motor control apparatuses and position detectors. Each of the motor control apparatuses is configured to control at least one of the motors. The position detectors each of which corresponds to each of the motors and each of which is configured to detect position information of each of the motors. All of the plurality of position detectors are connected in series under a control of a first motor control apparatus among the motor control apparatuses. The first motor control apparatus is configured to transfer the position information of the motors read out from the position detectors to other motor control apparatuses among the motor control apparatuses.
    Type: Application
    Filed: September 30, 2019
    Publication date: March 19, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Isamu MATSUMURA, Yusuke TANAKA, Tomofumi NISHIYAMA
  • INDUSTRIAL COMMUNICATION SYSTEM, INDUSTRIAL INSTRUMENT, AND INDUSTRIAL COMMUNICATION METHOD
    Publication number: 20190079501
    Abstract: An industrial communication system includes multiple industrial instruments connected in series and including a first industrial instrument and a second industrial instrument connected to the first industrial instrument.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 14, 2019
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Hidetsugu Koga, lsamu Matsumura, Tomofumi Nishiyama