Patents by Inventor Yosihiro Sirota

Yosihiro Sirota 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 system protection and control system
    Patent number: 6198402
    Abstract: A Power system protection and control system has protection and control terminals that perform protection and control of a power system by operation of a plurality of CBs in response to state variables input from power system; and a power system monitoring and control host mutually connected in a fashion to permit data exchange through a transmission system (communication network) with protection and control terminals and that performs monitoring and control of power system in accordance with data transmitted from protection and control terminals.
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: March 6, 2001
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Osamu Hasegawa, Yosihiro Sirota, Yasuo Kaino