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Beijing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Cellular network synchronization methods and apparatus under separa...
Patent number
9,942,867
Issue date
Apr 10, 2018
Hitachi, Ltd.
Tao Zhao
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
Clustering method of mobile communication and remote radio head the...
Patent number
8,908,602
Issue date
Dec 9, 2014
Hitachi, Ltd.
Hideya Yoshiuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication control apparatus
Patent number
8,494,595
Issue date
Jul 23, 2013
Hitachi, Ltd.
Hideya Yoshiuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
TRAFFIC MANAGEMENT APPARATUS AND METHOD FOR TRAFFIC MANAGEMENT
Publication number
20160353462
Publication date
Dec 1, 2016
Hitachi, Ltd
Miao JIANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CELLULAR NETWORK SYNCHRONIZATION METHODS AND APPARATUS UNDER SEPARA...
Publication number
20160353399
Publication date
Dec 1, 2016
Hitachi, Ltd
Tao ZHAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
BASE STATION AND CONTROL METHOD THEREOF
Publication number
20140187263
Publication date
Jul 3, 2014
Hitachi, Ltd
Lu Geng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CLUSTERING METHOD OF MOBILE COMMUNICATION AND REMOTE RADIO HEAD THE...
Publication number
20120224541
Publication date
Sep 6, 2012
Hitachi, Ltd
Hideya Yoshiuchi
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
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
COMMUNICATION CONTROL APPARATUS
Publication number
20110059763
Publication date
Mar 10, 2011
Hideya YOSHIUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE