Inventor
MAEBARA AKIHIRO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “MAEBARA AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
10 patentsUS6084966AJul 4, 2000
Communicating encrypted signals in which random bits and random bit position data are inserted
NIPPON TELEGRAPH & TELEPHONE26 citations92
US6021516AFeb 1, 2000
Communication system and transmission station
NIPPON TELEGRAPH & TELEPHONE47 citations92
US5258980ANov 2, 1993
Radio channel switching control method
NIPPON TELEGRAPH & TELEPHONE46 citations92
US6912394B1Jun 28, 2005
Radio line allocation judging method in mobile communication system and radio line
NIPPON TELEGRAPH & TELEPHONE12 citations83
US5689503ANov 18, 1997
Random access system of a mobile communication system
NIPPON TELEGRAPH & TELEPHONE18 citations82
US5721742AFeb 24, 1998
Terminal, network, and communication system
NIPPON TELEGRAPH & TELEPHONE14 citations74
US6157837ADec 5, 2000
Mobile communication system, network and mobile station
NIPPON TELEGRAPH & TELEPHONE12 citations73
US5974044AOct 26, 1999
System and method for controlling voice and data communications
NIPPON TELEGRAPH & TELEPHONE11 citations71
US5884165AMar 16, 1999
Mobile communication systems sharing a control channel
NIPPON TELEGRAPH & TELEPHONE9 citations71
US5742909AApr 21, 1998
Transmission of data indicating dynamic transmission/reception periods
NIPPON TELEGRAPH & TELEPHONE11 citations70
NTT DOCOMO INC
6 patentsUS6819661B2Nov 16, 2004
Method and apparatus of a mobile communication system which reduces power consumption by observing only the starting slot on a TDMA radio channel
NTT DOCOMO INC42 citations92
US6983039B2Jan 3, 2006
Call admission control method and communication system to which method is applied
NTT DOCOMO INC11 citations82
US7088960B2Aug 8, 2006
Wireless channel setting method for mobile communication system and mobile communication control apparatus
NTT DOCOMO INC7 citations73
US7860505B2Dec 28, 2010
Mobile communication system, extension transmission/reception server, extension transmission/reception controller, base station, radio network controller, mobile station and communication method
NTT DOCOMO INC3 citations62
US7634293B2Dec 15, 2009
Mobile communication system, extension transmission/reception device, base station, radio network controller and mobile station
NTT DOCOMO INC2 citations61
US7039413B2May 2, 2006
Mobile station transfer control system, cell transfer control method, mobile station, cell transfer control method at mobile station, cell transfer control program, control apparatus, and allocating method of communication resources
NTT DOCOMO INC4 citations59