Patents by Inventor Hideki Nagatsuka

Hideki Nagatsuka 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).

  • Plant operating apparatus and method
    Patent number: 7269463
    Abstract: In a CRT operation system for operation and monitoring of plant equipment in a plant worksite through a central control room and a network, an operation control personal computer is provided for monitoring and operating the plant equipment, and one or more wireless LAN transceivers or transmitting/receiving sections are provided to appropriate points in a patrol route around the plant equipment, for wireless communication with the operation control personal computer. The personal computer controls the plant equipment through a wireless transceiver and a network, and transmits therethrough information signals of on-site operation of the plant equipment to enable a display device and a sound/voice output device provided in the central control room.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: September 11, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Hideki Nagatsuka, Junichi Suzuki
  • Plant operating apparatus and method
    Patent number: 7110833
    Abstract: In a CRT operation system for operation and monitoring of plant equipment in a plant worksite through a central control room and a network, an operation control personal computer is provided for monitoring and operating the plant equipment, and one or more wireless LAN transceivers or transmitting/receiving sections are provided to appropriate points in a patrol route around the plant equipment, for wireless communication with the operation control personal computer. The personal computer controls the plant equipment through a wireless transceiver and a network, and transmits therethrough information signals of on-site operation of the plant equipment to enable a display device and a sound/voice output device provided in the central control room.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: September 19, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Hideki Nagatsuka, Junichi Suzuki
  • Plant operating apparatus and method
    Publication number: 20040078094
    Abstract: In a CRT operation system for operation and monitoring of plant equipment in a plant worksite through a central control room and a network, an operation control personal computer is provided for monitoring and operating the plant equipment, and one or more wireless LAN transceivers or transmitting/receiving sections are provided to appropriate points in a patrol route around the plant equipment, for wireless communication with the operation control personal computer. The personal computer controls the plant equipment through a wireless transceiver and a network, and transmits therethrough information signals of on-site operation of the plant equipment to enable a display device and a sound/voice output device provided in the central control room.
    Type: Application
    Filed: October 10, 2003
    Publication date: April 22, 2004
    Applicant: Hitachi, Ltd.
    Inventors: Hideki Nagatsuka, Junichi Suzuki
  • Plant operating apparatus and method
    Publication number: 20030139820
    Abstract: In a CRT operation system for operation and monitoring of plant equipment in a plant worksite through a central control room and a network, an operation control personal computer is provided for monitoring and operating the plant equipment, and one or more wireless LAN transceivers or transmitting/receiving sections are provided to appropriate points in a patrol route around the plant equipment, for wireless communication with the operation control personal computer. The personal computer controls the plant equipment through a wireless transceiver and a network, and transmits therethrough information signals of on-site operation of the plant equipment to enable a display device and a sound/voice output device provided in the central control room.
    Type: Application
    Filed: September 20, 2002
    Publication date: July 24, 2003
    Inventors: Hideki Nagatsuka, Junichi Suzuki