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Beijing, CN
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Patents Grants
last 30 patents
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
Control apparatus and control method
Patent number
8,811,379
Issue date
Aug 19, 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
Information
Patent Grant
Equipment and method for providing broadcast/multicast service in m...
Patent number
8,363,584
Issue date
Jan 29, 2013
Hitachi, Ltd.
Peng Yang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for performing handoff in mobile network commu...
Patent number
8,036,662
Issue date
Oct 11, 2011
Hitachi, Ltd.
Koji Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of implementing multi-party conference service by using broa...
Patent number
7,599,682
Issue date
Oct 6, 2009
Hitachi Communication Technologies, Ltd.
Yukiko Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Control Apparatus and Control Method
Publication number
20130010621
Publication date
Jan 10, 2013
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
RADIO COMMUNICATION SYSTEM AND METHOD
Publication number
20110058517
Publication date
Mar 10, 2011
Hideya YOSHIUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION CONTROL APPARATUS
Publication number
20110059763
Publication date
Mar 10, 2011
Hideya YOSHIUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Equipment and method for providing broadcast/multicast service in m...
Publication number
20080291861
Publication date
Nov 27, 2008
Peng Yang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for performing handoff in mobile network commu...
Publication number
20070086383
Publication date
Apr 19, 2007
Koji Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of implementing multi-party conference service by using broa...
Publication number
20060223510
Publication date
Oct 5, 2006
Yukiko Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication terminal device, communication terminal receiving met...
Publication number
20050207342
Publication date
Sep 22, 2005
Shiro Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE