Inventor · disambiguated record
Narumi Umeda
Also filed as: UMEDA NARUMI
107 granted patents·16 pending applications·3,079 citations·filing 1990–2012
99Inventor score
Files withNTT DOCOMO INC94NIPPON TELEGRAPH & TELEPHONE21TOOYAMA HIROTO3KAYAMA HIDETOSHI1KITAZAWA DAISUKE1
Top patents by PatentIndex Score
123 records- 0194US7486651B2Mobile node, an ad hoc network routing controlling method and an ad hoc network systemNTT DOCOMO INC·Filed 2005·Granted Feb 3, 2009·40 cites·7 claims
- 0292US7970349B2Packet communication system, packet communication method, base station, mobile station, control device, and packet communication programNTT DOCOMO INC·Filed 2008·Granted Jun 28, 2011·19 cites·3 claims
- 0391US7359349B2Base station, radio resource control equipment, mobile station, communication system, and communication methodNTT DOCOMO INC·Filed 2002·Granted Apr 15, 2008·62 cites·20 claims
- 0491US7292863B2Admission control method and device in mobile communication systemNTT DOCOMO INC·Filed 2003·Granted Nov 6, 2007·75 cites·18 claims
- 0591US5666655AMobile communication system with autonomous distributed type dynamic channel allocation schemeNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Sep 9, 1997·169 cites·40 claims
- 0690US5838671AMethod and apparatus for call admission control in CDMA mobile communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Nov 17, 1998·156 cites·50 claims
- 0789US7813329B2Base station, and a scrambling code setting methodNTT DOCOMO INC·Filed 2005·Granted Oct 12, 2010·20 cites·5 claims
- 0888USRE43593EBase station, radio resource control equipment, mobile station, communication system, and communication methodKAYAMA HIDETOSHI·Filed 2010·Granted Aug 21, 2012·12 cites·28 claims
- 0988US7321382B2Virtual communication device configuring method and apparatusNTT DOCOMO INC·Filed 2004·Granted Jan 22, 2008·34 cites·20 claims
- 1088US5566165ATransmission power control method and a communication system using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Oct 15, 1996·146 cites·10 claims
- 1187US6871071B2Handover control method and systemNTT DOCOMO INC·Filed 2000·Granted Mar 22, 2005·51 cites·42 claims
- 1287US5673260AMethod and system for CDMA mobile communicationNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Sep 30, 1997·154 cites·44 claims
- 1386US8229418B2Wireless control apparatus and communication methodMORI SHINICHI·Filed 2006·Granted Jul 24, 2012·14 cites·15 claims
- 1486US7443816B2Packet transmission method, base station and mobile stationNTT DOCOMO INC·Filed 2002·Granted Oct 28, 2008·45 cites·26 claims
- 1586US7130638B2Radio resource allocation method and base station using the sameNTT DOCOMO INC·Filed 2001·Granted Oct 31, 2006·45 cites·16 claims
- 1685US7142847B2Mobile communication system, resource switching method thereof, network control apparatus included therein, same and network control methodNTT DOCOMO INC·Filed 2001·Granted Nov 28, 2006·50 cites·16 claims
- 1784US7496084B2Mobile node, a control method thereof, and a mobile node control programNTT DOCOMO INC·Filed 2005·Granted Feb 24, 2009·10 cites·12 claims
- 1884US6895216B2Rendering multicast service with sufficient reception quality to wireless terminalsNTT DOCOMO INC·Filed 2001·Granted May 17, 2005·40 cites·16 claims
- 1984US5920817AMobile communication system with reliable handover schemeNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Jul 6, 1999·117 cites·23 claims
- 2084US5420850AMobile station and cell selecting method for code division multiplex access mobile communicationNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted May 30, 1995·88 cites·8 claims
- 2183US7620021B1Method, base station and mobile station for timeslot selection and timeslot assignmentNTT DOCOMO INC·Filed 2000·Granted Nov 17, 2009·35 cites·12 claims
- 2283US7116983B2Method, base station and mobile station for timeslot selection and timeslot assignmentNTT DOCOMO INC·Filed 2004·Granted Oct 3, 2006·43 cites·6 claims
- 2383US7117003B2Communications control system, communications control method, and mobile station and base station for use thereinNTT DOCOMO INC·Filed 2002·Granted Oct 3, 2006·34 cites·34 claims
- 2482US5581547ARandom access communication method by CDMA and mobile station equipment using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Dec 3, 1996·76 cites·28 claims
- 2581US7821982B2Packet communications taking into account channel quality and buffered data amountNTT DOCOMO INC·Filed 2003·Granted Oct 26, 2010·32 cites·7 claims
- 2681US7035637B2Location registration area configuring method, mobile communication system, base station, and location management serverNTT DOCOMO INC·Filed 2002·Granted Apr 25, 2006·31 cites·27 claims
- 2781US6909905B2Mobile communications control including change of bit rate based on traffic and transmit powerNTT DOCOMO INC·Filed 2000·Granted Jun 21, 2005·30 cites·10 claims
- 2881US6831904B1Cluster structured mobile communication system base station, cluster control station, line control station and mobile stationNTT DOCOMO INC·Filed 2000·Granted Dec 14, 2004·31 cites·20 claims
- 2980US7586894B2Communication system capable of selecting optimum gateway for terminalsNTT DOCOMO INC·Filed 2005·Granted Sep 8, 2009·9 cites·11 claims
- 3080US7254409B2Multicast service providing system, multicast service providing method, information distributor, radio terminal, and radio base stationNTT DOCOMO INC·Filed 2001·Granted Aug 7, 2007·31 cites·58 claims
- 3179US7634272B2Mobile station, mobile communication system, and cell selection methodNTT DOCOMO INC·Filed 2003·Granted Dec 15, 2009·28 cites·12 claims
- 3279US7218950B2Base station, mobile station, communication system, transmission control method, and mobile station control programNTT DOCOMO INC·Filed 2004·Granted May 15, 2007·32 cites·10 claims
- 3379US7089017B2Resource control method, mobile communication system, base station and mobile stationNTT DOCOMO INC·Filed 2002·Granted Aug 8, 2006·25 cites·13 claims
- 3479US7076258B2Location registration method and paging method in mobile communication system, mobile communication system, base station, communication control method, mobile station, and communication control programNTT DOCOMO INC·Filed 2002·Granted Jul 11, 2006·32 cites·24 claims
- 3579US7072655B2Mobile communication system and method for controlling receiving qualityNTT DOCOMO INC·Filed 2001·Granted Jul 4, 2006·20 cites·7 claims
- 3679US5574983ABase station device and mobile station device in mobile communication system utilizing the site diversity effect in soft handover stateNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Nov 12, 1996·123 cites·26 claims
- 3779US5568472ACode division multiple access mobile communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Oct 22, 1996·55 cites·5 claims
- 3878US7801482B2Packet communication system, packet communication method, base station, mobile station, control device, and packet communication programNTT DOCOMO INC·Filed 2008·Granted Sep 21, 2010·5 cites·3 claims
- 3978US7130636B2Wireless communication apparatus and wireless channel assignment methodNTT DOCOMO INC·Filed 2001·Granted Oct 31, 2006·27 cites·12 claims
- 4077US7502596B2Mobile communication systemsNTT DOCOMO INC·Filed 2002·Granted Mar 10, 2009·25 cites·9 claims
- 4177US6760588B2Method and apparatus for stabilizing communication in mobile communication systemNTT DOCOMO INC·Filed 2000·Granted Jul 6, 2004·18 cites·11 claims
- 4276US7548519B2Mobile communication system, mobile communication method, mobile terminal and base stationNTT DOCOMO INC·Filed 2002·Granted Jun 16, 2009·21 cites·16 claims
- 4376US6882845B2Autonomous zone forming communication device and autonomous zone forming methodNTT DOCOMO INC·Filed 2001·Granted Apr 19, 2005·20 cites·24 claims
- 4475US7760680B2Prioritized communication between base station and mobile unitNTT DOCOMO INC·Filed 2002·Granted Jul 20, 2010·17 cites·14 claims
- 4575US7567534B2Mobile host, paging agent, packet communication system, and movement detection methodNTT DOCOMO INC·Filed 2005·Granted Jul 28, 2009·6 cites·7 claims
- 4675US6785552B2Location managing method for managing location of mobile station in mobile wireless packet communication system and mobile wireless packet communication systemNTT DOCOMO INC·Filed 2000·Granted Aug 31, 2004·21 cites·11 claims
- 4774US7483713B2Base station and transmission power control methodNTT DOCOMO INC·Filed 2005·Granted Jan 27, 2009·5 cites·9 claims
- 4874US7254132B2Mobile communication system, mobile communication method, wireless base station, mobile station, and programNTT DOCOMO INC·Filed 2002·Granted Aug 7, 2007·22 cites·24 claims
- 4974US7239619B2Mobile communication system, base station, mobile station, and cell control methodNTT DOCOMO INC·Filed 2003·Granted Jul 3, 2007·22 cites·16 claims
- 5074US5212822AMethod for registering mobile station in mobile communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1991·Granted May 18, 1993·104 cites·6 claims
Showing the top 50 of 123 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →