Inventor
OKAJIMA ICHIRO
JP60 patents
⚠️ This page may combine multiple inventors who share the name “OKAJIMA ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NTT DOCOMO INC
35 patentsUS7321382B2Jan 22, 2008
Virtual communication device configuring method and apparatus
NTT DOCOMO INC34 citations93
US7224954B2May 29, 2007
Method and device for communicating via an ad-hoc wireless network
NTT DOCOMO INC39 citations93
US7110752B2Sep 19, 2006
Radio communication method and a radio station with software reconfiguration features
NTT DOCOMO INC24 citations93
US7072655B2Jul 4, 2006
Mobile communication system and method for controlling receiving quality
NTT DOCOMO INC20 citations92
US6819661B2Nov 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
US7813329B2Oct 12, 2010
Base station, and a scrambling code setting method
NTT DOCOMO INC20 citations84
US7801070B2Sep 21, 2010
Mobile communication system, mobile terminal transfer device, and mobile communication method
NTT DOCOMO INC9 citations84
US7774004B2Aug 10, 2010
Reducing paging control traffic in a mobile system by placing router identifications in the uplink pagin request packet
NTT DOCOMO INC14 citations84
US7529214B2May 5, 2009
Mobile node for transmitting a request for information which specifies a transfer device to be used
NTT DOCOMO INC9 citations84
US7512120B2Mar 31, 2009
Node, correspondent node, mobility anchor point, and home agent in packet communication system, packet communication system, and path MTU discovery method
NTT DOCOMO INC13 citations84
US7496084B2Feb 24, 2009
Mobile node, a control method thereof, and a mobile node control program
NTT DOCOMO INC10 citations84
US7433965B2Oct 7, 2008
Packet transmission system, packet transmission method, packet transmission device, home agent, mobile terminal, and access router
NTT DOCOMO INC11 citations84
US7349364B2Mar 25, 2008
Mobility management system, and mobile node used in the system, mobility management method, mobility management program, and mobility management node
NTT DOCOMO INC11 citations84
US7330449B2Feb 12, 2008
Mobile node, mobility control apparatus, communication control method, communication system, and data format
NTT DOCOMO INC14 citations84
US7301948B2Nov 27, 2007
Routing method, node, packet communication system, program, and recording medium
NTT DOCOMO INC10 citations84
US6760588B2Jul 6, 2004
Method and apparatus for stabilizing communication in mobile communication system
NTT DOCOMO INC18 citations84
US7171218B2Jan 30, 2007
Mobile unit, server and method of providing information
NTT DOCOMO INC11 citations83
US7002959B2Feb 21, 2006
Packet communication method, node apparatus and packet communication system
NTT DOCOMO INC7 citations72
US6507566B1Jan 14, 2003
Mobile communication device, mobile data communication method, and recording medium
NTT DOCOMO INC7 citations72
US8036204B2Oct 11, 2011
Mobile terminal, control apparatus, home agent and packet communications method
NTT DOCOMO INC1 citations63
US8018915B2Sep 13, 2011
Mobile terminal, control apparatus, home agent and packet communications method
NTT DOCOMO INC2 citations63
US7602718B2Oct 13, 2009
Packet transmission control apparatus, mobile node, control node, packet communication method, and packet communication system
NTT DOCOMO INC2 citations63
US7567534B2Jul 28, 2009
Mobile host, paging agent, packet communication system, and movement detection method
NTT DOCOMO INC6 citations63
US7492738B2Feb 17, 2009
Mobile node, mobile communication system, communication control method and access router
NTT DOCOMO INC2 citations63
US7483713B2Jan 27, 2009
Base station and transmission power control method
NTT DOCOMO INC5 citations63
US7362729B2Apr 22, 2008
Mobile node, mobile communication system, and communication control program
NTT DOCOMO INC3 citations63
US7006121B2Feb 28, 2006
Virtual terminal configuring method and device
NTT DOCOMO INC4 citations63
US7139561B2Nov 21, 2006
Mobile communication system and distributed broadcast information control method in mobile communication system
NTT DOCOMO INC4 citations62
US6920322B2Jul 19, 2005
Paging control method and paging control system in communication system
NTT DOCOMO INC6 citations62
US6839559B2Jan 4, 2005
Retransmission control method and the apparatus
NTT DOCOMO INC5 citations62
US7881250B2Feb 1, 2011
Packet communication system
NTT DOCOMO INC2 citations61
US7668959B2Feb 23, 2010
Link manager and link management method
NTT DOCOMO INC5 citations61
US8359046B2Jan 22, 2013
Control apparatus and mobile terminal
NTT DOCOMO INC1 citations52
US8023493B2Sep 20, 2011
Mobile terminal, control apparatus, home agent and packet communications method
NTT DOCOMO INC1 citations52
US6885865B2Apr 26, 2005
Mobile communication system, and location registration method of mobile station, resource control method and recording medium in mobile communication system
NTT DOCOMO INC1 citations52
NIPPON TELEGRAPH & TELEPHONE
8 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
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
US5742909AApr 21, 1998
Transmission of data indicating dynamic transmission/reception periods
NIPPON TELEGRAPH & TELEPHONE11 citations70
US5867779AFeb 2, 1999
Paging equipment and method for reducing traffic in a mobile data communication system
NIPPON TELEGRAPH & TELEPHONE5 citations61
SUZUKI TOSHIHIRO
2 patentsUS8811958B2Aug 19, 2014
Communication system, information analysis device, and information analysis method
SUZUKI TOSHIHIRO2 citations61
US8818414B2Aug 26, 2014
Mobile station, communication system, and communication method for collecting location information of a mobile station
SUZUKI TOSHIHIRO0 citations51
NIPPON SHEET GLASS CO LTD
1 patentMIHARA RYOJU ENGINEERING CO LT
1 patentKOBAYASHI MOTONARI
1 patentNT DOCOMO INC
1 patentALPS ELECTRIC CO LTD
1 patentShowing the top 50 of 60 patents by PatentIndex Score.