Patents by Inventor Atsushi Kanagawa

Atsushi Kanagawa 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).

  • Mobile communications system
    Publication number: 20070149199
    Abstract: A base station device 31 provided in a general cell 41 is accommodated in a base station controller 21, and a base station device 32 provided in a general cell 42 is accommodated in a base station controller 22. A base station device 33 provided in a boundary cell 43 that is adjacent to both the general cells 41 and 42 is accommodated in both the base station controllers 21 and 22. Frequencies RF#1 and RF#2 are allocated to each of the general cells 41 and 42 and boundary cell 43. Communications conducted by the base station device 33 using the frequency RF#1 is controlled by the base station controller 21, and communications conducted by the base station device 33 using the frequency RF#2 is controlled by the base station controller 22.
    Type: Application
    Filed: February 14, 2007
    Publication date: June 28, 2007
    Inventor: Atsushi Kanagawa
  • Mobile Communications system
    Publication number: 20070149205
    Abstract: A base station device 31 provided in a general cell 41 is accommodated in a base station controller 21, and a base station device 32 provided in a general cell 42 is accommodated in a base station controller 22. A base station device 33 provided in a boundary cell 43 that is adjacent to both the general cells 41 and 42 is accommodated in both the base station controllers 21 and 22. Frequencies RF#1 and RF#2 are allocated to each of the general cells 41 and 42 and boundary cell 43. Communications conducted by the base station device 33 using the frequency RF#1 is controlled by the base station controller 21, and communications conducted by the base station device 33 using the frequency RF#2 is controlled by the base station controller 22.
    Type: Application
    Filed: February 12, 2007
    Publication date: June 28, 2007
    Inventor: Atsushi Kanagawa
  • Mobile communications system
    Patent number: 7233797
    Abstract: A base station device 31 provided in a general cell 41 is accommodated in a base station controller 21, and a base station device 32 provided in a general cell 42 is accommodated in a base station controller 22. A base station device 33 provided in a boundary cell 43 that is adjacent to both the general cells 41 and 42 is accommodated in both the base station controllers 21 and 22. Frequencies RF#1 and RF#2 are allocated to each of the general cells 41 and 42 and boundary cell 43. Communications conducted by the base station device 33 using the frequency RF#1 is controlled by the base station controller 21, and communications conducted by the base station device 33 using the frequency RF#2 is controlled by the base station controller 22.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: June 19, 2007
    Assignee: Fujitsu Limited
    Inventor: Atsushi Kanagawa
  • Mobile communications system
    Publication number: 20020090951
    Abstract: A base station device 31 provided in a general cell 41 is accommodated in a base station controller 21, and a base station device 32 provided in a general cell 42 is accommodated in a base station controller 22. A base station device 33 provided in a boundary cell 43 that is adjacent to both the general cells 41 and 42 is accommodated in both the base station controllers 21 and 22. Frequencies RF#1 and RF#2 are allocated to each of the general cells 41 and 42 and boundary cell 43. Communications conducted by the base station device 33 using the frequency RF#1 is controlled by the base station controller 21, and communications conducted by the base station device 33 using the frequency RF#2 is controlled by the base station controller 22.
    Type: Application
    Filed: February 21, 2002
    Publication date: July 11, 2002
    Inventor: Atsushi Kanagawa