Patents by Inventor Koichi Kawahata

Koichi Kawahata 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).

  • Radio communication system having ID management apparatus, operation management apparatus and line controller
    Patent number: 7383039
    Abstract: A radio communication system includes ID control equipment, a operation control unit, line controller, pieces of base station, and radio terminals. In the radio communication system, environment information about identification information (IDs) etc. set for the radio terminals is managed effectively. In the ID control equipment, an ID information setting means sets information about IDs for the radio terminals. In the ID control equipment, the operation control unit or the line controller, an ID information storage unit (e.g. memory 4) stores the information about IDs set for the radio terminals by the ID control equipment.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: June 3, 2008
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Tadashi Nakamura, Hidetoshi Nishiyama, Koichi Kawahata
  • Radio communication system
    Publication number: 20060046705
    Abstract: A radio communication system includes ID control equipment, a operation control unit, line controller, pieces of base station, and radio terminals. In the radio communication system, environment information about identification information (IDs) etc. set for the radio terminals is managed effectively. In the ID control equipment, an ID information setting means sets information about IDs for the radio terminals. In the ID control equipment, the operation control unit or the line controller, an ID information storage unit (e.g. memory 4) stores the information about IDs set for the radio terminals by the ID control equipment.
    Type: Application
    Filed: August 31, 2005
    Publication date: March 2, 2006
    Inventors: Tadashi Nakamura, Hidetoshi Nishiyama, Koichi Kawahata