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Patents Grants
last 30 patents
Information
Patent Grant
Radio communication system, radio communication method, base statio...
Patent number
9,008,727
Issue date
Apr 14, 2015
Hitachi, Ltd.
Mikio Kuwahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, integrated base station, and terminal
Patent number
8,942,117
Issue date
Jan 27, 2015
Hitachi, Ltd.
Tsuyoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device and method for base stations dynamic clustering in mobile co...
Patent number
8,942,757
Issue date
Jan 27, 2015
Hitachi, Ltd.
Yunjian Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication system, base station apparatus, and radio commu...
Patent number
8,891,417
Issue date
Nov 18, 2014
Hitachi, Ltd.
Kenzaburo Fujishima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication system, radio communication device, and radio c...
Patent number
8,824,398
Issue date
Sep 2, 2014
Hitachi, Ltd.
Yunjian Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distributed antenna system, allocation of distributed antennas, bas...
Patent number
8,792,444
Issue date
Jul 29, 2014
Hitachi, Ltd.
Hitoshi Ishida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, receiver and signal processing metho...
Patent number
8,413,030
Issue date
Apr 2, 2013
Hitachi Kokusai Electric Inc.
Katsuhiko Tsunehara
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Wireless communications equipments with function of detecting rando...
Patent number
8,315,153
Issue date
Nov 20, 2012
Hitachi Kokusai Electric Inc.
Yunjian Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for peak suppression in wireless communication...
Patent number
8,155,219
Issue date
Apr 10, 2012
Hitachi, Ltd.
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
BASE STATION APPARATUS, WIRELESS COMMUNICATION METHOD AND CENTRAL C...
Publication number
20150146556
Publication date
May 28, 2015
Meng Zheng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION SYSTEM
Publication number
20150023199
Publication date
Jan 22, 2015
Hitachi, Ltd
Hitoshi Ishida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE-STATION DEVICE AND COMMUNICATION METHOD
Publication number
20140219125
Publication date
Aug 7, 2014
Hitachi, Ltd
Yunjian Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, BASE STATIO...
Publication number
20130005403
Publication date
Jan 3, 2013
Hitachi, Ltd.
MIKIO KUWAHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Distributed Antenna System, Allocation of Distributed Antennas, Bas...
Publication number
20120314665
Publication date
Dec 13, 2012
Hitachi, Ltd
Hitoshi ISHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RADIO COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND RADIO COMMU...
Publication number
20120243513
Publication date
Sep 27, 2012
Hitachi, Ltd
Kenzaburo Fujishima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISTRIBUTED ANTENNA SYSTEM BASE STATION AND RADIO RESOURCE CONTROL...
Publication number
20120208581
Publication date
Aug 16, 2012
Hitachi, Ltd
Hitoshi ISHIDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION DEVICE, AND RADIO C...
Publication number
20120134335
Publication date
May 31, 2012
Hitachi, Ltd
Yunjian Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEVICE AND METHOD FOR BASE STATIONS DYNAMIC CLUSTERING IN MOBILE CO...
Publication number
20120094710
Publication date
Apr 19, 2012
Hitachi, Ltd
Yunjian Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, INTEGRATED BASE STATION, AND TERMINAL
Publication number
20120087265
Publication date
Apr 12, 2012
Hitachi, Ltd
Tsuyoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication Control Server, Base Station, Terminal and Coordinate...
Publication number
20120014272
Publication date
Jan 19, 2012
Hitachi, Ltd
Sheng ZHOU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of Multiuser Mimo Wireless Communication and Device of Multi...
Publication number
20110242962
Publication date
Oct 6, 2011
Hitachi, Ltd
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATIONS EQUIPMENTS WITH FUNCTION OF DETECTING RANDO...
Publication number
20100034078
Publication date
Feb 11, 2010
Hitachi Kokusai Electric Inc.
Yunjian Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, RECEIVER AND SIGNAL PROCESSING METHO...
Publication number
20090307567
Publication date
Dec 10, 2009
Hitachi Kokusai Electric Inc.
Katsuhiko Tsunehara
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Apparatus and Method for Peak Suppression in Wireless Communication...
Publication number
20090060070
Publication date
Mar 5, 2009
Hitachi, Ltd.
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE