Patents by Inventor Hiromichi Kosaka

Hiromichi Kosaka 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).

  • Pump control system
    Patent number: 6939109
    Abstract: The present invention provides a system which comprises primary supply pumps and secondary supply pumps and controls pressurized water supply systems, air-conditioning systems, or the like that supply chilled water or hot water using these pumps. In the present invention, calculation is carried out based on measurement signals obtained by measuring pressure, flow rate, open rate of valves, etc. by providing sensors in supply channels.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: September 6, 2005
    Assignees: Yokogawa Electric Corporation, Asahi Kogyosha Co., Ltd.
    Inventors: Hiroshi Takahashi, Keisuke Tani, Hiromichi Kosaka, Shigehiro Yoshida
  • Pump control system
    Publication number: 20030063978
    Abstract: The present invention provides a system which comprises primary supply pumps and secondary supply pumps and controls pressurized water supply systems, air-conditioning systems, or the like that supply chilled water or hot water using these pumps. In the present invention, calculation is carried out based on measurement signals obtained by measuring pressure, flow rate, open rate of valves, etc. by providing sensors in supply channels.
    Type: Application
    Filed: July 18, 2002
    Publication date: April 3, 2003
    Applicant: Yokogawa Electric Corporation,
    Inventors: Hiroshi Takahashi, Keisuke Tani, Hiromichi Kosaka, Shigehiro Yoshida