Chunguang LIU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Wireless communication system and method, and dynamic association c...
- Patent number 9,801,093
- Issue date Oct 24, 2017
- Hitachi, Ltd.
- Peng Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Server, data caching method, and communication system
- Patent number 9,635,528
- Issue date Apr 25, 2017
- Hitachi, Ltd.
- Chunguang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station in cellular network system and sleep control method fo...
- Patent number 9,369,956
- Issue date Jun 14, 2016
- Hitachi, Ltd.
- Dongheon Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Renewable energy base station and coverage adjustment method theref...
- Patent number 9,351,170
- Issue date May 24, 2016
- Hitachi, Ltd.
- Chunguang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Heterogeneous cellular network
- Patent number 9,271,152
- Issue date Feb 23, 2016
- Hitachi, Ltd.
- Dongxu Cao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS COMMUNICATION SYSTEM AND METHOD, AND DYNAMIC ASSOCIATION C...
- Publication number 20150312799
- Publication date Oct 29, 2015
- Hitachi, Ltd
- Peng YANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SERVER, DATA CACHING METHOD, AND COMMUNICATION SYSTEM
- Publication number 20140297792
- Publication date Oct 2, 2014
- Hitachi, Ltd
- Chunguang LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HYPER-CELLULAR COMMUNICATION SYSTEM
- Publication number 20140295839
- Publication date Oct 2, 2014
- Hitachi, Ltd
- Jian WU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HETEROGENEOUS CELLULAR NETWORK
- Publication number 20140256329
- Publication date Sep 11, 2014
- Hitachi, Ltd
- Dongxu CAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RENEWABLE ENERGY BASE STATION AND COVERAGE ADJUSTMENT METHOD THEREF...
- Publication number 20140256330
- Publication date Sep 11, 2014
- Hitachi, Ltd
- Chunguang LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BASE STATION IN CELLULAR NETWORK SYSTEM AND SLEEP CONTROL METHOD FO...
- Publication number 20140219150
- Publication date Aug 7, 2014
- Hitachi, Ltd
- Dongheon LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE