Inventor · disambiguated record
Yasushi Maruta
Also filed as: MARUTA YASUSHI
42 granted patents·9 pending applications·321 citations·filing 1998–2023
97Inventor score
Top patents by PatentIndex Score
51 records- 0196US9271272B2Communications system with multiple PDCCH with associated multiple DMRS patternsAWAD YASSIN ADEN·Filed 2012·Granted Feb 23, 2016·29 cites·18 claims
- 0290US10039099B2Wireless communication system and wireless communication methodNEC CORP·Filed 2015·Granted Jul 31, 2018·7 cites·7 claims
- 0383US6205166B1CDMA receiver with antenna array adaptively controlled with combined errors of despread multipath componentsNEC CORP·Filed 1998·Granted Mar 20, 2001·75 cites·15 claims
- 0480US6448939B2Array antenna receiving apparatusNEC CORP·Filed 2001·Granted Sep 10, 2002·35 cites·18 claims
- 0577US12250698B2Communication systemNEC CORP·Filed 2023·Granted Mar 11, 2025·0 cites·4 claims
- 0674US9906340B2Standards compliant coordinated multi-point scheduling over LTE heterogeneous wireless networksNEC LAB AMERICA INC·Filed 2016·Granted Feb 27, 2018·3 cites·20 claims
- 0772US6792033B1Array antenna reception apparatusNEC CORP·Filed 1999·Granted Sep 14, 2004·41 cites·14 claims
- 0871US9859964B2Computing PMIs, particularly in wireless communications systems having a three-dimensional communications channelNEC CORP·Filed 2015·Granted Jan 2, 2018·2 cites·19 claims
- 0970US11974295B2Communication systemNEC CORP·Filed 2022·Granted Apr 30, 2024·0 cites·4 claims
- 1070US9929789B2Method and system for MU-MIMO communicationNEC CORP·Filed 2015·Granted Mar 27, 2018·2 cites·19 claims
- 1168US11337204B2Communication systemNEC CORP·Filed 2020·Granted May 17, 2022·0 cites·4 claims
- 1268US9497013B2Radio communication system, base station, and communication methodNEC CORP·Filed 2012·Granted Nov 15, 2016·2 cites·9 claims
- 1368US8718206B2Frequency correction circuit, frequency correction method and wireless communication equipment using themMARUTA YASUSHI·Filed 2010·Granted May 6, 2014·2 cites·9 claims
- 1467US9584288B2Communication channel quality estimating method, wireless communications system, base station, and programNEC CORP·Filed 2013·Granted Feb 28, 2017·2 cites·20 claims
- 1566US7031368B1Adaptive transmitter/receiverNEC CORP·Filed 1999·Granted Apr 18, 2006·36 cites·19 claims
- 1664US7924954B2Frequency correctionNEC CORP·Filed 2008·Granted Apr 12, 2011·2 cites·5 claims
- 1763US9584210B2Relay communication systemAWAD YASSIN ADEN·Filed 2011·Granted Feb 28, 2017·1 cites·14 claims
- 1860US10205493B2Method and system for MU-MIMO communicationNEC CORP·Filed 2015·Granted Feb 12, 2019·1 cites·20 claims
- 1960US8811257B2Mobile communication system, relay station apparatus, base station apparatus, radio relay method, and computer readable mediumAMINAKA HIROAKI·Filed 2010·Granted Aug 19, 2014·1 cites·37 claims
- 2060US6222498B1CDMA multiuser receiver featuring a combination of array antenna and multiuser cancelersNEC CORP·Filed 1999·Granted Apr 24, 2001·43 cites·4 claims
- 2159US10659141B2Relay communication systemAWAD YASSIN ADEN·Filed 2019·Granted May 19, 2020·0 cites·6 claims
- 2259US7274951B2Multi-beam antenna transmitter/receiver and transmitting/receiving method and transmission beam selection methodNEC CORP·Filed 2003·Granted Sep 25, 2007·5 cites·20 claims
- 2357US9473225B2Method for improving transmission capacity in a DL MU-MIMO communications systemNEC CORP·Filed 2013·Granted Oct 18, 2016·1 cites·19 claims
- 2457US6665286B1Adaptive receiving device removing interference from users and multi-paths by antenna directivity controlNEC CORP·Filed 1999·Granted Dec 16, 2003·24 cites·14 claims
- 2555US10716103B2Communication systemNEC CORP·Filed 2016·Granted Jul 14, 2020·0 cites·12 claims
- 2655US8301172B2Mobile communication system and method for estimating moving speed of mobile terminalMARUTA YASUSHI·Filed 2007·Granted Oct 30, 2012·1 cites·3 claims
- 2754US10277304B2Relay communication systemNEC CORP·Filed 2017·Granted Apr 30, 2019·0 cites·2 claims
- 2853US2025081224A1Wireless base station, control device, and control methodNEC CORP·Filed 2021·Application pending·0 cites
- 2952US2024284291A1Radio control apparatus, method and recording mediumNEC CORP·Filed 2021·Application pending·0 cites
- 3050US7286800B2Multi-beam antenna reception device and multi-beam reception methodNEC CORP·Filed 2003·Granted Oct 23, 2007·1 cites·38 claims
- 3149US11405910B2Base station, method, program and recording mediumNEC CORP·Filed 2019·Granted Aug 2, 2022·0 cites·12 claims
- 3248US12015568B2Base station, method, program, and recording mediumNEC CORP·Filed 2020·Granted Jun 18, 2024·0 cites·11 claims
- 3347US9825676B2Generating precoders for joint transmission from multiple transmission points to multiple user equipments in a downlink coordinated multipoint transmission/reception communications systemNEC CORP·Filed 2014·Granted Nov 21, 2017·0 cites·20 claims
- 3447US6218988B1Array antenna transmitter with a high transmission gain proportional to the number of antenna elementsNEC CORP·Filed 2000·Granted Apr 17, 2001·5 cites·9 claims
- 3546US2010279643A1Communication device, communication system, control method, and control programMARUTA YASUSHI·Filed 2009·Application pending·0 cites
- 3645US11611385B2Base station, system, method, and non-transitory computer readable mediumNEC CORP·Filed 2019·Granted Mar 21, 2023·0 cites·8 claims
- 3745US10477571B2Communication terminal, base station, monitoring method, transmission method, and non-transitory computer-readable mediumNEC CORP·Filed 2016·Granted Nov 12, 2019·0 cites·16 claims
- 3845US9622194B2Communication systemNEC CORP·Filed 2013·Granted Apr 11, 2017·0 cites·31 claims
- 3944US9246564B2Generating precoders for use in optimising transmission capacity between an eNodeBb and UE in a DL MU-MIMO communications systemNEC CORP·Filed 2013·Granted Jan 26, 2016·0 cites·6 claims
- 4043US9124479B2Wireless base station receiving device, and signal demodulation method and program used thereinMARUTA YASUSHI·Filed 2010·Granted Sep 1, 2015·0 cites·18 claims
- 4141US9007985B2Mobile communication system, relay station, and control method and program for relay stationMARUTA YASUSHI·Filed 2011·Granted Apr 14, 2015·0 cites·3 claims
- 4241US7792151B2CDMA receiving apparatus and methodNEC CORP·Filed 2005·Granted Sep 7, 2010·0 cites·12 claims
- 4341US2021111752A1Base station, terminal apparatus, method, program, and non-transitory computer readable recording mediumNEC CORP·Filed 2019·Application pending·0 cites
- 4441US2004171408A1Array antenna transmitter/receiver and its calibration methodFiled 2002·Application pending·0 cites
- 4540US2020177335A1Sounding reference signals (srs) in new radio (nr) communication systemsNEC CORP·Filed 2018·Application pending·0 cites
- 4639US9253695B2Mobile communication system and relay node control method, relay node management device and control method thereof, and non-transitory computer readable medium storing control programMARUTA YASUSHI·Filed 2011·Granted Feb 2, 2016·0 cites·8 claims
- 4739US2006292994A1Transmitter-receiver of mobile communication systemNEC CORP·Filed 2006·Application pending·0 cites
- 4838US2006013290A1Detection of synchronization timing in CDMA receiving apparatusNEC CORP·Filed 2005·Application pending·0 cites
- 4936US2020015245A1Ue selection and transmission rank estimation for mu-mimo communication systemsNEC CORP·Filed 2017·Application pending·0 cites
- 5033US10250311B2Method and system for MIMO communicationNEC CORP·Filed 2015·Granted Apr 2, 2019·0 cites·13 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →