Inventor
NIU ZHISHENG
CN13 patents
⚠️ This page may combine multiple inventors who share the name “NIU ZHISHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS7289472B2Oct 30, 2007
Handoff method of wireless local area network (LAN)
HITACHI LTD21 citations92
US9351170B2May 24, 2016
Renewable energy base station and coverage adjustment method therefor, and wireless cellular system
HITACHI LTD4 citations72
US9942867B2Apr 10, 2018
Cellular network synchronization methods and apparatus under separation architecture
HITACHI LTD2 citations71
US7889758B2Feb 15, 2011
Method for allocating subchannel in wireless network
HITACHI LTD6 citations63
US9369956B2Jun 14, 2016
Base station in cellular network system and sleep control method for base station
HITACHI LTD1 citations50
US9801093B2Oct 24, 2017
Wireless communication system and method, and dynamic association control apparatus and method
HITACHI LTD0 citations37
US9635528B2Apr 25, 2017
Server, data caching method, and communication system
HITACHI LTD0 citations37
US9271152B2Feb 23, 2016
Heterogeneous cellular network
HITACHI LTD0 citations37
FUJITSU LTD
3 patentsUS7069490B2Jun 27, 2006
Method for retransmission of lost packet in fading channels
FUJITSU LTD51 citations95
US5583860ADec 10, 1996
Communications network independent designing system and managing method
FUJITSU LTD66 citations95
US6961327B2Nov 1, 2005
TCP aware local retransmissioner scheme for unreliable transmission network
FUJITSU LTD43 citations91