Inventor · disambiguated record
Motoya Iwasaki
Also filed as: IWASAKI MOTOYA
48 granted patents·12 pending applications·795 citations·filing 1988–2023
98Inventor score
Top patents by PatentIndex Score
60 records- 0194US6993294B2Mobile communication system, communication control method, base station and mobile station to be used in the sameNEC CORP·Filed 2002·Granted Jan 31, 2006·100 cites·30 claims
- 0287US6249235B1Sampling frequency conversion apparatus and fractional frequency dividing apparatus for sampling frequencyNEC CORP·Filed 2000·Granted Jun 19, 2001·30 cites·4 claims
- 0385US8345563B2Wireless communication system, data transmission method for uplink thereof, base station device, and mobile station deviceNEC CORP·Filed 2008·Granted Jan 1, 2013·13 cites·11 claims
- 0484US5245612ASpread packet communication systemNEC CORP·Filed 1991·Granted Sep 14, 1993·89 cites·10 claims
- 0582US7564911B2Communication system and transmitter-receiver for use therewithNEC CORP·Filed 2005·Granted Jul 21, 2009·8 cites·7 claims
- 0678US5012491APreamable detection circuit for digital communications systemNEC CORP·Filed 1989·Granted Apr 30, 1991·54 cites·10 claims
- 0777US7599319B2Radio communications system and control method thereforNEC CORP·Filed 2005·Granted Oct 6, 2009·10 cites·37 claims
- 0875US6990141B1CorrelatorNEC CORP·Filed 2000·Granted Jan 24, 2006·15 cites·33 claims
- 0973US5463401AMethod and arrangement of pointing an antenna beam to a stationary satelliteNEC CORP·Filed 1992·Granted Oct 31, 1995·43 cites·5 claims
- 1072US11165474B2First communication apparatus, second communication apparatus, method, program, recording medium, and systemNEC CORP·Filed 2018·Granted Nov 2, 2021·1 cites·20 claims
- 1172US7583966B2Mobile communications system, radio network controller, and active set control methodNEC CORP·Filed 2006·Granted Sep 1, 2009·6 cites·8 claims
- 1270US9312932B2Communication apparatus and resource derivation methodSASAKI TAKAHIRO·Filed 2011·Granted Apr 12, 2016·3 cites·14 claims
- 1369US7085311B2Apparatus and method for measuring SIR in CDMA communication systemNEC CORP·Filed 2002·Granted Aug 1, 2006·13 cites·7 claims
- 1468US11575414B2First communication apparatus, second communication apparatus, method, program, recording medium, and systemNEC CORP·Filed 2021·Granted Feb 7, 2023·0 cites·20 claims
- 1568US8958387B2Suppression of interferences between cellsIWASAKI MOTOYA·Filed 2007·Granted Feb 17, 2015·4 cites·12 claims
- 1668US6888812B1CDMA receiverNEC CORP·Filed 2000·Granted May 3, 2005·10 cites·7 claims
- 1767US7620130B2Wireless diversity receiver using a combiner with control weights that are based on reported transmission powerNEC CORP·Filed 2005·Granted Nov 17, 2009·4 cites·6 claims
- 1865US5513222ACombining circuit for a diversity receiving systemNEC CORP·Filed 1994·Granted Apr 30, 1996·34 cites·5 claims
- 1962US8422602B2Pattern detection circuit, base station and mobile communication system using the same, and pattern detecting methodMASUDA KYOICHIRO·Filed 2009·Granted Apr 16, 2013·4 cites·13 claims
- 2061US5838797ASecure communication by encryption/decryption of vector at PSK modulation/detection stageNEC CORP·Filed 1995·Granted Nov 17, 1998·47 cites·4 claims
- 2161US5500878AAutomatic frequency control apparatus and method thereforNEC CORP·Filed 1994·Granted Mar 19, 1996·23 cites·6 claims
- 2261US5276710ACarrier frequency error detector capable of accurately detecting a carrier frequency errorNEC CORP·Filed 1992·Granted Jan 4, 1994·40 cites·15 claims
- 2361US4853642APhase controlled demodulator for digital communications systemNEC CORP·Filed 1988·Granted Aug 1, 1989·20 cites·10 claims
- 2460US6147632ASampling frequency conversion apparatus and fractional frequency dividing apparatus for sampling frequency conversionNEC CORP·Filed 1998·Granted Nov 14, 2000·13 cites·4 claims
- 2560US5440267ADemodulatorNEC CORP·Filed 1994·Granted Aug 8, 1995·37 cites·4 claims
- 2657US5157694ACoherent psk demodulator using bit error rate and s/n ratio to establish synchronizationNEC CORP·Filed 1992·Granted Oct 20, 1992·32 cites·8 claims
- 2753US7333562B2Nonlinear distortion compensating circuitNEC CORP·Filed 2003·Granted Feb 19, 2008·7 cites·12 claims
- 2853US2025358824A1Base station, wireless communication method, wireless communication system, and computer-readable mediumNEC CORP·Filed 2023·Application pending·0 cites
- 2952US7369580B2Amplitude limiting circuit and CDMA communication apparatusNEC CORP·Filed 2003·Granted May 6, 2008·2 cites·9 claims
- 3052US5260896AAdaptive filter and a method of preventing divergent behavior of the adaptive filterNEC CORP·Filed 1991·Granted Nov 9, 1993·11 cites·9 claims
- 3151US2015103689A1Suppression of interferences between cellsIWASAKI MOTOYA·Filed 2014·Application pending·0 cites
- 3250US11456897B2Communication apparatus, method, program, and recording mediumNEC CORP·Filed 2019·Granted Sep 27, 2022·0 cites·9 claims
- 3350US9167566B2Wireless communication system, data transmission method for uplink thereof, base station device, and mobile station deviceNEC CORP·Filed 2012·Granted Oct 20, 2015·0 cites·10 claims
- 3450US5128626ACoherently demodulating arrangement including quasi-coherent demodulator for PSK signalsNEC CORP·Filed 1991·Granted Jul 7, 1992·14 cites·5 claims
- 3550US2025088233A1Communication device, method, and recording mediumNEC CORP·Filed 2022·Application pending·0 cites
- 3649US11343036B2Radio communication apparatus, method of processing reception signal, and non-transitory computer readable medium storing programNEC CORP·Filed 2019·Granted May 24, 2022·0 cites·6 claims
- 3749US5384552AClock recovery circuit for extracting clock information from a received baseband signalNEC CORP·Filed 1993·Granted Jan 24, 1995·20 cites·4 claims
- 3848US6016329AMethod and apparatus for preamble-less demodulationNEC CORP·Filed 1997·Granted Jan 18, 2000·21 cites·32 claims
- 3947US8428099B2Wireless communication system and frequency hopping method therefor, and base station and mobile stationTOMOKIYO RYO·Filed 2008·Granted Apr 23, 2013·1 cites·20 claims
- 4046US5148451ACarrier regeneration device correctly operable in mobile satellite communicationNEC CORP·Filed 1990·Granted Sep 15, 1992·17 cites·6 claims
- 4145US8311148B2Transmission signal generating apparatus, method, and programKOYANAGI KENJI·Filed 2008·Granted Nov 13, 2012·0 cites·7 claims
- 4245US2009011717A1Mobile communication system and its signal transfer methodNEC CORP·Filed 2007·Application pending·0 cites
- 4344US8275000B2Wireless communication system, base station, and wireless communication methodKIKUCHI SHINGO·Filed 2008·Granted Sep 25, 2012·0 cites·17 claims
- 4444US7068713B2Digital filter circuitNEC CORP·Filed 2002·Granted Jun 27, 2006·2 cites·7 claims
- 4544US6999734B2Nonlinear compensating circuit, base-station apparatus, and transmission power clipping methodNEC CORP·Filed 2002·Granted Feb 14, 2006·0 cites·17 claims
- 4643US8804769B2Signal multiplexing method, signal demultiplexing method, digital signal reference frequency correction method, multiplexing device, demultiplexing device, radio communication system, and digital signal reference frequency correction deviceTANAKA HIROKI·Filed 2009·Granted Aug 12, 2014·0 cites·17 claims
- 4743US2009068956A1Method and device for estimating reception quality in radio communicationNEC CORP·Filed 2008·Application pending·0 cites
- 4843US2009280809A1Wireless communication system, wireless base station, and wireless communication methodNEC CORP·Filed 2006·Application pending·0 cites
- 4942US8238491B2Device and method for demodulating control signalsNAITO KOSUKE·Filed 2009·Granted Aug 7, 2012·0 cites·13 claims
- 5042US2009067476A1Wireless communication system and methodNEC CORP·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →