Inventor · disambiguated record
Masafumi Usuda
Also filed as: USUDA MASAFUMI
92 granted patents·23 pending applications·625 citations·filing 1996–2012
99Inventor score
Top patents by PatentIndex Score
115 records- 0195US7693170B2Transmission rate control method and mobile stationNTT DOCOMO INC·Filed 2006·Granted Apr 6, 2010·33 cites·2 claims
- 0294US7444169B2Wireless base station apparatus and wireless communication control methodNTT DOCOMO INC·Filed 2005·Granted Oct 28, 2008·36 cites·14 claims
- 0392US7817597B2Transmission rate control method, mobile station, radio base station, and radio network controllerNTT DOCOMO INC·Filed 2006·Granted Oct 19, 2010·24 cites·7 claims
- 0491US7280835B2Mobile communication system and mobile communication methodNTT DOCOMO INC·Filed 2005·Granted Oct 9, 2007·21 cites·6 claims
- 0590US7630733B2Transmission rate control method, mobile station, and radio network controllerNTT DOCOMO INC·Filed 2006·Granted Dec 8, 2009·21 cites·3 claims
- 0689US8031648B2Packet transmission control device and packet transmission control methodNTT DOCOMO INC·Filed 2005·Granted Oct 4, 2011·19 cites·21 claims
- 0789US7586977B2Transmission power control method, mobile station, and radio network controllerNTT DOCOMO INC·Filed 2006·Granted Sep 8, 2009·19 cites·2 claims
- 0889US5658682AProcess for detecting remaining capacity of batteryHONDA MOTOR CO LTD·Filed 1996·Granted Aug 19, 1997·102 cites·17 claims
- 0988US7542776B2Uplink radio resource allocation method, radio base station, and radio network controllerNTT DOCOMO INC·Filed 2006·Granted Jun 2, 2009·12 cites·13 claims
- 1087US7301991B2Fading frequency decision device and methodNTT DOCOMO INC·Filed 2005·Granted Nov 27, 2007·10 cites·30 claims
- 1187US6853839B2Method of antenna-weight estimation and mobile communication terminalNTT DOCOMO INC·Filed 2001·Granted Feb 8, 2005·45 cites·18 claims
- 1286US7937111B2Wireless base station apparatus and wireless communication control methodNTT DOCOMO INC·Filed 2007·Granted May 3, 2011·12 cites·14 claims
- 1383US7218617B1Transmission method of downlink pilot channel in CDMA mobile communication system, and CDMA mobile communication systemNTT DOCOMO INC·Filed 2000·Granted May 15, 2007·35 cites·12 claims
- 1482US7885617B2Base station, radio line control station, and radio communication methodNTT DOCOMO INC·Filed 2005·Granted Feb 8, 2011·9 cites·11 claims
- 1582US7697483B2Transmitting method, receiving method, radio base station, and mobile stationNTT DOCOMO INC·Filed 2006·Granted Apr 13, 2010·10 cites·5 claims
- 1679US8060023B2Mobile communication system, radio base station, and mobile stationUSUDA MASAFUMI·Filed 2005·Granted Nov 15, 2011·8 cites·9 claims
- 1779US7813754B2Transfer rate control method, transmission power control method, transmission power ratio control method, mobile communication system, mobile station, and radio base stationNTT DOCOMO INC·Filed 2005·Granted Oct 12, 2010·8 cites·42 claims
- 1878US8139523B2Mobile communication system, mobile station, and radio base stationUSUDA MASAFUMI·Filed 2005·Granted Mar 20, 2012·7 cites·15 claims
- 1975US7929592B1Channel estimation device and method, demodulation device and method, and fading frequency decision device and methodNTT DOCOMO INC·Filed 2000·Granted Apr 19, 2011·16 cites·55 claims
- 2075US7853283B2Transmission power control method, mobile station, radio base station, and radio network controllerNTT DOCOMO INC·Filed 2006·Granted Dec 14, 2010·6 cites·3 claims
- 2174US8331942B2Mobile communication control method, wireless line control apparatus, base station and mobile stationUSUDA MASAFUMI·Filed 2005·Granted Dec 11, 2012·5 cites·12 claims
- 2274US7643547B2Radio quality estimation system, base station, mobile station, and radio quality estimation methodNTT DOCOMO INC·Filed 2006·Granted Jan 5, 2010·5 cites·8 claims
- 2373US7885652B2Mobile station, mobile communication system, and mobile communication methodNTT DOCOMO INC·Filed 2006·Granted Feb 8, 2011·5 cites·6 claims
- 2473US7689241B2Transmission power offset arbitration between base stations during soft handoffNTT DOCOMO INC·Filed 2006·Granted Mar 30, 2010·4 cites·3 claims
- 2573US6999427B1CDMA reception apparatus and received signal power measuring apparatus in CDMA mobile communication systemNTT DOCOMO INC·Filed 2000·Granted Feb 14, 2006·12 cites·12 claims
- 2672US7894845B2Transmission power control method, mobile station, radio base station and radio network controllerNTT DOCOMO INC·Filed 2006·Granted Feb 22, 2011·4 cites·6 claims
- 2772US7756020B2Radio resource control method, radio network controller, and radio base stationNTT DOCOMO INC·Filed 2006·Granted Jul 13, 2010·4 cites·6 claims
- 2871US8582477B2Transmission rate control method, mobile station and radio base stationUSUDA MASAFUMI·Filed 2006·Granted Nov 12, 2013·4 cites·3 claims
- 2970US8359055B2Transmission power control method, and radio network controllerNTT DOCOMO INC·Filed 2006·Granted Jan 22, 2013·3 cites·5 claims
- 3069US7990859B2Packet transmission control device and packet transmission control methodNTT DOCOMO INC·Filed 2005·Granted Aug 2, 2011·4 cites·13 claims
- 3169US7907914B2Transmission rate control method and radio base stationNTT DOCOMO INC·Filed 2006·Granted Mar 15, 2011·3 cites·3 claims
- 3269US7817598B2Transmission rate control method, mobile station, and radio base stationNTT DOCOMO INC·Filed 2006·Granted Oct 19, 2010·3 cites·9 claims
- 3368US8588802B2Transmission rate control method, and mobile stationUSUDA MASAFUMI·Filed 2006·Granted Nov 19, 2013·3 cites·2 claims
- 3466US7460474B2Packet transmission control apparatus and packet transmission control methodNTT DOCOMO INC·Filed 2004·Granted Dec 2, 2008·10 cites·20 claims
- 3565US7991415B2Transmission rate control method, radio base station and radio network controllerNTT DOCOMO INC·Filed 2006·Granted Aug 2, 2011·2 cites·9 claims
- 3664US8359040B2Transmission rate control method, mobile station, radio base station, and wireless line control stationNTT DOCOMO INC·Filed 2006·Granted Jan 22, 2013·2 cites·3 claims
- 3764US7783320B2Transmission rate control method and mobile stationNTT DOCOMO INC·Filed 2006·Granted Aug 24, 2010·2 cites·4 claims
- 3864US7532578B2Communication system, communication method and mobile stationNTT DOCOMO INC·Filed 2003·Granted May 12, 2009·9 cites·10 claims
- 3963US8942716B2Radio resource control method, radio base station, and radio network controllerUSUDA MASAFUMI·Filed 2006·Granted Jan 27, 2015·2 cites·14 claims
- 4063US8265631B2Mobile communication method and mobile stationUSUDA MASAFUMI·Filed 2005·Granted Sep 11, 2012·2 cites·7 claims
- 4163US8169954B2Transmission rate control method, mobile station, radio base station, and radio network controllerUSUDA MASAFUMI·Filed 2006·Granted May 1, 2012·2 cites·6 claims
- 4263US7974231B2Communication control apparatus and communication control methodNTT DOCOMO INC·Filed 2006·Granted Jul 5, 2011·2 cites·8 claims
- 4363US7889698B2Transmission rate control method, mobile station, and radio network controllerNTT DOCOMO INC·Filed 2006·Granted Feb 15, 2011·2 cites·4 claims
- 4463US7680072B2Radio communications control system, radio communications control methodNTT DOCOMO INC·Filed 2004·Granted Mar 16, 2010·8 cites·9 claims
- 4562US8169976B2Transmission rate control method, mobile station, radio base station, and radio network controllerUSUDA MASAFUMI·Filed 2006·Granted May 1, 2012·2 cites·2 claims
- 4662US7477604B2Packet communications systemNTT DOCOMO INC·Filed 2004·Granted Jan 13, 2009·7 cites·10 claims
- 4762US7085559B2Mobile communication system, radio controller, base station and transmission power controlling methodNTT DOCOMO INC·Filed 2004·Granted Aug 1, 2006·7 cites·9 claims
- 4861US8364160B2Transmission rate control method, mobile station and radio network controllerNTT DOCOMO INC·Filed 2006·Granted Jan 29, 2013·1 cites·4 claims
- 4960US8488469B2Transmission rate control method, and mobile stationUSUDA MASAFUMI·Filed 2006·Granted Jul 16, 2013·1 cites·3 claims
- 5060US8195173B2Transmission rate control method, mobile station, and radio network controllerUSUDA MASAFUMI·Filed 2006·Granted Jun 5, 2012·1 cites·2 claims
Showing the top 50 of 115 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →