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Kodaira, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method, system and apparatus for detecting a position of a terminal...
Patent number
7,890,118
Issue date
Feb 15, 2011
Hitachi, Ltd.
Takaki Uta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless terminal position detecting method and system therefor
Patent number
7,848,766
Issue date
Dec 7, 2010
Hitachi, Ltd.
Atsushi Ogino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for selecting base station
Patent number
7,509,139
Issue date
Mar 24, 2009
Hitachi, Ltd.
Ryota Yamasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for position detection of a terminal in a network
Patent number
7,345,630
Issue date
Mar 18, 2008
Hitachi, Ltd.
Tsuyoshi Tamaki
G01 - MEASURING TESTING
Information
Patent Grant
System and method for wireless communication using a management ser...
Patent number
7,319,684
Issue date
Jan 15, 2008
Hitachi, Ltd.
Tsuyoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for position detection of a terminal in a network
Patent number
7,138,946
Issue date
Nov 21, 2006
Hitachi, Ltd.
Tsuyoshi Tamaki
G01 - MEASURING TESTING
Information
Patent Grant
Mobile terminal, a base station, and a synchronization control method
Patent number
7,061,968
Issue date
Jun 13, 2006
Hitachi, Ltd.
Takashi Yano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
CDMA communication system and its transmission power control method
Patent number
7,006,463
Issue date
Feb 28, 2006
Hitachi, Ltd.
Katsuhiko Tsunehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication method using CDMA multiplexing technique and m...
Patent number
7,006,475
Issue date
Feb 28, 2006
Hitachi, Ltd.
Toshiro Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for controlling transmit power for communication system
Patent number
6,907,260
Issue date
Jun 14, 2005
KDDI Corporation
Katsuhiko Tsunehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile terminal, a base station, and a synchronization control method
Patent number
6,754,255
Issue date
Jun 22, 2004
Hitachi, Ltd.
Takashi Yano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
CDMA communication system and its transmission power control method
Patent number
6,483,816
Issue date
Nov 19, 2002
Hitachi, Ltd.
Katsuhiko Tsunehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
CDMA communication system and its transmission power control method
Patent number
6,307,844
Issue date
Oct 23, 2001
Hitachi, Ltd.
Katsuhiko Tsunehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Spread spectrum receiver using digital matched filter
Patent number
6,256,341
Issue date
Jul 3, 2001
Htachi, Ltd.
Masayuki Ariyoshi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitting apparatus for code division multiplexed signals
Patent number
6,144,694
Issue date
Nov 7, 2000
Hitachi, Ltd.
Takaki Uta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication system
Patent number
6,141,335
Issue date
Oct 31, 2000
Hitachi, Ltd.
Mikio Kuwahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Spread spectrum communication system
Patent number
6,141,337
Issue date
Oct 31, 2000
Hitachi, Ltd.
Takaki Uta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Wireless communication system and its transmission power control me...
Publication number
20080170555
Publication date
Jul 17, 2008
Hitachi Communication Technologies, Ltd.
Katsuhiko Tsunehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CDMA communication system and its transmission power control method
Publication number
20080045261
Publication date
Feb 21, 2008
Hitachi Communication Technologies, Ltd.
Katsuhiko Tsunehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for position detection of a terminal in a network
Publication number
20070090995
Publication date
Apr 26, 2007
Hitachi, Ltd.
Tsuyoshi Tamaki
G01 - MEASURING TESTING
Information
Patent Application
Wireless terminal position detecting method and system therefor
Publication number
20070032248
Publication date
Feb 8, 2007
Atsushi Ogino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for selecting base station
Publication number
20060234756
Publication date
Oct 19, 2006
Ryota Yamasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method, system and apparatus for detecting a position of a terminal...
Publication number
20060105779
Publication date
May 18, 2006
Hitachi, Ltd.
Takaki Uta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CDMA communication system and its transmission power control method
Publication number
20060092886
Publication date
May 4, 2006
Hitachi, Ltd.
Katsuhiko Tsunehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for controlling position detection of a terminal...
Publication number
20050101331
Publication date
May 12, 2005
Hitachi, Ltd.
Tsuyoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for position detection of a terminal in a network
Publication number
20050078033
Publication date
Apr 14, 2005
Hitachi, Ltd.
Tsuyoshi Tamaki
G01 - MEASURING TESTING
Information
Patent Application
Method for controlling transmit power in a communication system
Publication number
20040266473
Publication date
Dec 30, 2004
Katsuhiko Tsunehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile terminal, a base station, and a synchronization control method
Publication number
20040213329
Publication date
Oct 28, 2004
Takashi Yano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for wireless communication using a management ser...
Publication number
20030236103
Publication date
Dec 25, 2003
Hitachi, Ltd.
Tsuyoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CDMA communication system and its transmission power control method
Publication number
20030053426
Publication date
Mar 20, 2003
Hitachi, Ltd.
Katsuhiko Tsunehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CDMA communication system and its transmission power control method
Publication number
20010012276
Publication date
Aug 9, 2001
Hitachi, Ltd.
Katsuhiko Tsunehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE