Patents by Inventor Yasushi Hayasaka

Yasushi Hayasaka 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).

  • Operation and maintenance planning aiding system for power generation installation
    Publication number: 20030004659
    Abstract: In order to provide an operation and maintenance planning aiding system for a power generation installation which prepares an operation plan for a plurality of power generation units by making use of actual plant data and based on a total judgement including a variety of circumstances of the machine and apparatus or the parts thereof in the power generation units, in the system the plurality of power generation units 41, 42, 51 and 52, a power supply command center 3 and a service center 1 are arranged and connected via a communication network 6, the service center 1 obtains the plant data via the communication network 6 from the plurality of power generation units 41, 42, 51 and 52, calculates in real time a power generation efficiency of a concerned power generation unit for every plurality of power generation units 41, 42 51 and 52 by making use of the obtained plant data and design data of the concerned power generation unit and prepares an operation and maintenance plan for each of the power generation u
    Type: Application
    Filed: August 15, 2002
    Publication date: January 2, 2003
    Applicant: Hitachi, Ltd.
    Inventors: Yoshiharu Hayashi, Hidekazu Fujimura, Masao Furukawa, Katsuhito Shimizu, Yasushi Hayasaka
  • Operation and maintenance planning aiding system for power generation installation
    Publication number: 20020120412
    Abstract: In order to provide an operation and maintenance planning aiding system for a power generation installation which prepares an operation plan for a plurality of power generation units by making use of actual plant data and based on a total judgement including a variety of circumstances of the machine and apparatus or the parts thereof in the power generation units, in the system the plurality of power generation units 41, 42, 51 and 52, a power supply command center 3 and a service center 1 are arranged and connected via a communication network 6, the service center 1 obtains the plant data via the communication network 6 from the plurality of power generation units 41, 42, 51 and 52, calculates in real time a power generation efficiency of a concerned power generation unit for every plurality of power generation units 41, 42 51 and 52 by making use of the obtained plant data and design data of the concerned power generation unit and prepares an operation and maintenance plan for each of the power generation u
    Type: Application
    Filed: September 14, 2001
    Publication date: August 29, 2002
    Inventors: Yoshiharu Hayashi, Hidekazu Fujimura, Masao Furukawa, Katsuhito Shimizu, Yasushi Hayasaka