Patents by Inventor Toshiyuki Seto

Toshiyuki Seto 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).

  • Battery capacity estimation device, battery capacity estimation method, and computer program product
    Patent number: 11486931
    Abstract: A battery capacity estimation device in an embodiment includes one or more hardware processors configured to: acquire an alternating current power or an alternating current energy that is input to and output from a storage battery system via a direct current-alternating current converter, the storage battery system being capable of controlling charge and discharge; acquire a state of charge (SoC) of the storage battery system; and estimate a battery capacity of the storage battery system based on the acquired alternating current power or the acquired alternating current energy and the acquired SoC.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: November 1, 2022
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Masako Kiuchi, Mami Mizutani, Kenji Mitsumoto, Noriyuki Yamagishi, Toshiyuki Seto, Kenichi Wakasugi
  • BATTERY CAPACITY ESTIMATION DEVICE, BATTERY CAPACITY ESTIMATION METHOD, AND COMPUTER PROGRAM PRODUCT
    Publication number: 20210055351
    Abstract: A battery capacity estimation device in an embodiment includes one or more hardware processors configured to: acquire an alternating current power or an alternating current energy that is input to and output from a storage battery system via a direct current-alternating current converter, the storage battery system being capable of controlling charge and discharge; acquire a state of charge (SoC) of the storage battery system; and estimate a battery capacity of the storage battery system based on the acquired alternating current power or the acquired alternating current energy and the acquired SoC.
    Type: Application
    Filed: July 23, 2020
    Publication date: February 25, 2021
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Masako KIUCHI, Mami MIZUTANI, Kenji MITSUMOTO, Noriyuki YAMAGISHI, Toshiyuki SETO, Kenichi WAKASUGI
  • Voltage adjustment device for power distribution system, voltage adjusting method, and power control system
    Patent number: 9606554
    Abstract: A voltage adjustment device, a voltage adjusting method and a power control system for a distribution system are provided, in which the voltage adjustment device and a static var compensator are appropriately operated in a coordinated manner and the sustention of voltage and the enhancement of the operation efficiency are attained. A voltage adjustment device for a distribution system is installed in the distribution system including a static var compensator on an end side and controls a secondary voltage to be within a predetermined limit value by adjusting a tap position.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: March 28, 2017
    Assignees: Hitachi, Ltd., Tohoku Electric Power Co., Ltd., Tohoku Electric Manufacturing Co., Ltd.
    Inventors: Masahiro Watanabe, Ryo Egashira, Kenichiro Yamane, Katsuhiro Matsuda, Takafumi Futakami, Toshiyuki Seto, Jun Murakoshi
  • VOLTAGE ADJUSTMENT DEVICE FOR POWER DISTRIBUTION SYSTEM, VOLTAGE ADJUSTING METHOD, AND POWER CONTROL SYSTEM
    Publication number: 20150286227
    Abstract: A voltage adjustment device, a voltage adjusting method and a power control system for a distribution system are provided, in which the voltage adjustment device and a static var compensator are appropriately operated in a coordinated manner and the sustention of voltage and the enhancement of the operation efficiency are attained. A voltage adjustment device for a distribution system is installed in the distribution system including a static var compensator on an end side and controls a secondary voltage to be within a predetermined limit value by adjusting a tap position.
    Type: Application
    Filed: July 24, 2013
    Publication date: October 8, 2015
    Inventors: Masahiro Watanabe, Ryo Egashira, Kenichiro Yamane, Katsuhiro Matsuda, Takafumi Futakami, Toshiyuki Seto, Jun Murakoshi