Inventor · disambiguated record
Hidetoshi Kayama
Also filed as: KAYAMA HIDETOSHI
55 granted patents·9 pending applications·871 citations·filing 1996–2015
99Inventor score
Top patents by PatentIndex Score
64 records- 0195US8583134B2Method, system and transmitter for adaptive coordinated transmission in wireless communicationsHOU XIAOLIN·Filed 2010·Granted Nov 12, 2013·37 cites·16 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
- 0588USRE43593EBase station, radio resource control equipment, mobile station, communication system, and communication methodKAYAMA HIDETOSHI·Filed 2010·Granted Aug 21, 2012·12 cites·28 claims
- 0686US6307837B1Method and base station for packet transferNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Oct 23, 2001·169 cites·24 claims
- 0785US7965785B2Uplink multiple-input-multiple-output (MIMO) and cooperative MIMO transmissionsNTT DOCOMO INC·Filed 2007·Granted Jun 21, 2011·13 cites·21 claims
- 0885US7570684B2Method for joint time synchronization and frequency offset estimation in OFDM system and apparatus of the sameNTT DOCOMO INC·Filed 2005·Granted Aug 4, 2009·18 cites·21 claims
- 0983US9425512B2Reflectarray and design methodNTT DOCOMO INC·Filed 2012·Granted Aug 23, 2016·7 cites·4 claims
- 1083US8160048B2Method for accessing hybrid network, and gateway apparatus, wireless terminal and communication system thereofDU LEI·Filed 2006·Granted Apr 17, 2012·9 cites·22 claims
- 1183US7117003B2Communications 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
- 1281US7821982B2Packet communications taking into account channel quality and buffered data amountNTT DOCOMO INC·Filed 2003·Granted Oct 26, 2010·32 cites·7 claims
- 1381US7035637B2Location 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
- 1479US7634272B2Mobile station, mobile communication system, and cell selection methodNTT DOCOMO INC·Filed 2003·Granted Dec 15, 2009·28 cites·12 claims
- 1579US7218950B2Base 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
- 1679US7089017B2Resource control method, mobile communication system, base station and mobile stationNTT DOCOMO INC·Filed 2002·Granted Aug 8, 2006·25 cites·13 claims
- 1779US7076258B2Location 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
- 1878US7801482B2Packet 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
- 1976US7729666B2Communication system and method of dynamic space-frequency-division multiple-access for uplink from terminals to base-stationNTT DOCOMO INC·Filed 2006·Granted Jun 1, 2010·7 cites·12 claims
- 2076US7548519B2Mobile communication system, mobile communication method, mobile terminal and base stationNTT DOCOMO INC·Filed 2002·Granted Jun 16, 2009·21 cites·16 claims
- 2175US9184508B2Multi-beam reflectarrayMARUYAMA TAMAMI·Filed 2012·Granted Nov 10, 2015·4 cites·12 claims
- 2275US7760680B2Prioritized communication between base station and mobile unitNTT DOCOMO INC·Filed 2002·Granted Jul 20, 2010·17 cites·14 claims
- 2374US9531079B2Reflectarray and design methodNTT DOCOMO INC·Filed 2012·Granted Dec 27, 2016·4 cites·9 claims
- 2474US7239619B2Mobile communication system, base station, mobile station, and cell control methodNTT DOCOMO INC·Filed 2003·Granted Jul 3, 2007·22 cites·16 claims
- 2573US8432994B2Method for determining demodulation reference signal in the uplink, UE and uplink systemHOU XIAOLIN·Filed 2010·Granted Apr 30, 2013·4 cites·14 claims
- 2671US8311022B2Method for accessing hybrid network, and gateway apparatus, wireless terminal and communication system thereofDU LEI·Filed 2009·Granted Nov 13, 2012·3 cites·22 claims
- 2771US7580387B2Time slot assigning method, signal transmission method, base station control apparatus, base station, and mobile station used in a mobile communications systemNTT DOCOMO INC·Filed 2002·Granted Aug 25, 2009·15 cites·18 claims
- 2870US7453841B2Scramble code allocation method, a radio base station, a mobile station, and a mobile communications systemNTT DOCOMO INC·Filed 2004·Granted Nov 18, 2008·9 cites·15 claims
- 2969US7733969B2Cyclic training sequence generating method, communication system and communication methodNTT DOCOMO INC·Filed 2006·Granted Jun 8, 2010·5 cites·6 claims
- 3068US7417963B2Resource control system, resource control method, and base station and mobile station suitable for use in the sameNTT DOCOMO INC·Filed 2002·Granted Aug 26, 2008·12 cites·23 claims
- 3166US7471927B2Packet communication system, packet communication method, base station, mobile station, controller and packet communication programNTT DOCOMO INC·Filed 2003·Granted Dec 30, 2008·8 cites·8 claims
- 3265US8553665B2Method for accessing hybrid network, and gateway apparatus, wireless terminal and communication system thereofDU LEI·Filed 2012·Granted Oct 8, 2013·1 cites·12 claims
- 3364US8385453B2Data processing method and base station for downlink transmit diversityNTT DOCOMO INC·Filed 2010·Granted Feb 26, 2013·2 cites·24 claims
- 3464US7483710B2Transmission power control method, communication device, and radio communication systemNTT DOCOMO INC·Filed 2003·Granted Jan 27, 2009·9 cites·7 claims
- 3563US8903404B2Radio base station and frequency band sharing methodFUJII HIROMASA·Filed 2012·Granted Dec 2, 2014·1 cites·10 claims
- 3663US7457622B2Radio base station selection method and system and a radio base station in a mobile communication systemNTT DOCOMO INC·Filed 2002·Granted Nov 25, 2008·9 cites·19 claims
- 3762US7496067B2Resource allocating method, and base station, mobile station, and radio packet communication system to which the resource allocating method is appliedNTT DOCOMO INC·Filed 2003·Granted Feb 24, 2009·8 cites·15 claims
- 3861US8107439B2Method and apparatus of physical resource allocation, method of data receiving, and receiving endYAN YUAN·Filed 2009·Granted Jan 31, 2012·2 cites·4 claims
- 3961US7532601B2Transmission power control method, radio communication system, base station and mobile stationNTT DOCOMO INC·Filed 2003·Granted May 12, 2009·7 cites·11 claims
- 4060US7110767B2Packet based mobile communications system with multicast paging of standby mobilesNTT DOCOMO INC·Filed 2002·Granted Sep 19, 2006·6 cites·17 claims
- 4159US7184709B2Radio packet communication system, radio packet communication method, base station and mobile stationNTT DOCOMO INC·Filed 2004·Granted Feb 27, 2007·6 cites·7 claims
- 4258US9620864B2Reflectarray and design methodNTT DOCOMO INC·Filed 2012·Granted Apr 11, 2017·1 cites·4 claims
- 4357US7366130B2Base station and transmission power determining method in mobile communications systemsNTT DOCOMO INC·Filed 2004·Granted Apr 29, 2008·5 cites·8 claims
- 4456US7308282B2Communication control system, communication control method, base station and mobile stationNTT DOCOMO INC·Filed 2002·Granted Dec 11, 2007·4 cites·3 claims
- 4554US7710977B2Allocation of radio resources to packets in accordance with service qualities under radio communication environmentNTT DOCOMO INC·Filed 2003·Granted May 4, 2010·3 cites·14 claims
- 4653US9042900B2User terminalNTT DOCOMO INC·Filed 2014·Granted May 26, 2015·0 cites·8 claims
- 4753US8111652B2Base station, radio communication system, and communication methodKITAZAWA DAISUKE·Filed 2003·Granted Feb 7, 2012·3 cites·19 claims
- 4851US2009034453A1Scramble code allocation method, a radio base station, a mobile station, and a mobile communications systemNTT DOCOMO INC·Filed 2008·Application pending·0 cites
- 4949US5881061AMethod and system for data communicationNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Mar 9, 1999·31 cites·13 claims
- 5049US2015128186A1Mobile Multimedia Terminal, Video Program Recommendation Method and Server ThereofNTT DOCOMO INC·Filed 2014·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
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