Inventor
TAKETSUGU MASANORI
JP18 patents
Patents
18 patentsUS5420863AMay 30, 1995
Mobile communication system with cell-site switching for intra-cell handoff
NEC CORP172 citations99
US5740167AApr 14, 1998
Dual mode multiple access method for common radio channel
NEC CORP135 citations97
US5305466AApr 19, 1994
Location registration and paging procedure for mobile communication
NEC CORP116 citations97
US6539233B1Mar 25, 2003
Call control method in mobile communication and system therefor
NEC CORP57 citations96
US5319795AJun 7, 1994
Cellular mobile communications system using frequencies commonly shared by neighboring cells for handoff operations
NEC CORP85 citations96
US5892759AApr 6, 1999
Data transmission control system for performing one-to-multiple site data transmission by the use of radio packet communication
NEC CORP21 citations92
US5875292AFeb 23, 1999
Packet transmission method without sending serial numbers
NEC CORP26 citations92
US5812949ASep 22, 1998
Method for calling a mobile terminal in a mobile communication system and a device thereof
NEC CORP48 citations92
US5583913ADec 10, 1996
Packet signal selecting apparatus and mobile switching center including the same
NEC CORP21 citations92
US5566356AOct 15, 1996
Mobile communication system and its multiple connection method enabling to perform concise and high quality multiplex communication
NEC CORP47 citations92
US5530910AJun 25, 1996
Handover method in mobile communications system
NEC CORP44 citations92
US6937589B2Aug 30, 2005
Mobile communication system with packet effectively transmitted and control method for the same
NEC CORP13 citations84
US5787349AJul 28, 1998
Control signaling network, radio base station and mobile switching center
NEC CORP17 citations84
US7302257B2Nov 27, 2007
Wireless access control method and wireless access system
NEC CORP8 citations73
US7012904B2Mar 14, 2006
Method for controlling transmission capacity and mobile communication system
NEC CORP7 citations73
US5757790AMay 26, 1998
Packet communication system capable of rapidly confirming receipt of downward packet signals
NEC CORP9 citations73
US7096028B2Aug 22, 2006
Mobile communication system
NEC CORP3 citations62
US6621826B1Sep 16, 2003
Transmission control method
NEC CORP6 citations62