Patents by Inventor Yasuto Futagoishi

Yasuto Futagoishi 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).

  • Online diagnostic method and online diagnostic system for geothermal generation facility
    Patent number: 8407027
    Abstract: An online diagnostic system for a geothermal generation facility is discloses that includes an automatic steam measurement device for measuring a characteristic of steam to be supplied to a steam turbine from a steam-water separator at the geothermal generation facility that outputs analysis data. A monitor-control device controls an operation of the geothermal generation facility while monitoring the geothermal generation facility. A diagnostic device performs at least one of an evaluation of a steam characteristic at the geothermal generation facility, an evaluation of the steam-water separator, and an evaluation of pulsation and confluence of a production well based on the analysis data from the automatic steam measurement device and performance data of the geothermal generation facility from the monitor-control device. An operating status of the geothermal generation facility is diagnosed.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: March 26, 2013
    Assignees: Fuji Electric Systems Co., Ltd., Geothermal Engineering Co., Ltd.
    Inventors: Ichiro Myougan, Toshikazu Kato, Isamu Osawa, Yasuyuki Hishi, Daisuke Fukuda, Yasuto Futagoishi, Toshiaki Aoki
  • Online Diagnostic Method and Online Diagnostic System for Geothermal Generation Facility
    Publication number: 20110144947
    Abstract: An online diagnostic system for a geothermal generation facility is discloses that includes: an automatic steam measurement device for measuring a characteristic of steam to be supplied to a steam turbine from a steam-water separator at the geothermal generation facility that outputs analysis data. A monitor•control device controls an operation of the geothermal generation facility while monitoring the geothermal generation facility. A diagnostic device performs at least one of an evaluation of a steam characteristic at the geothermal generation facility, an evaluation of the steam-water separator, and an evaluation of pulsation and confluence of a production well based on the analysis data from the automatic steam measurement device and performance data of the geothermal generation facility from the monitor•control device. An operating status of the geothermal generation facility is diagnosed.
    Type: Application
    Filed: October 19, 2009
    Publication date: June 16, 2011
    Applicants: FUJI ELECTRIC SYSTEMS CO., LTD., GEOTHERMAL ENGINEERING CO., LTD.
    Inventors: Ichiro Myougan, Toshikazu Kato, Isamu Osawa, Yasuyuki Hishi, Daisuke Fukuda, Yasuto Futagoishi, Toshiaki Aoki