Inventor · disambiguated record
Mamoru Sawahashi
Also filed as: SAWAHASHI MAMORU
304 granted patents·63 pending applications·4,817 citations·filing 1994–2022
99Inventor score
Files withNTT DOCOMO INC144KISHIYAMA YOSHIHISA35NIPPON TELEGRAPH & TELEPHONE35MIKI NOBUHIKO27HIGUCHI KENICHI22
Top patents by PatentIndex Score
367 records- 0197US5590409ATransmission power control method and a transmission power control apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Dec 31, 1996·352 cites·4 claims
- 0295US7092431B2Receiver, transmitter, communication system, and method of communicationNTT DOCOMO INC·Filed 2002·Granted Aug 15, 2006·86 cites·40 claims
- 0394US8416872B2Radio communication apparatus and a radio communication methodHIGUCHI KENICHI·Filed 2006·Granted Apr 9, 2013·39 cites·10 claims
- 0494US7969943B2User apparatus, base station apparatus, and method in mobile communication systemNTT DOCOMO INC·Filed 2008·Granted Jun 28, 2011·28 cites·9 claims
- 0594US7522924B2Slot allocation apparatus and slot allocation methodNTT DOCOMO INC·Filed 2005·Granted Apr 21, 2009·32 cites·13 claims
- 0694US7372889B2Mobile station capable of and a method for generating chip patterns for transmissionNTT DOCOMO INC·Filed 2004·Granted May 13, 2008·44 cites·19 claims
- 0794US6034952AMethod and instrument for measuring receiving SIR and transmission power controllerNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Mar 7, 2000·187 cites·24 claims
- 0893US8711815B2Mobile terminal apparatus, radio base station apparatus and radio communication methodKAWAMURA TERUO·Filed 2010·Granted Apr 29, 2014·13 cites·5 claims
- 0992US8654747B2Base station, user equipment terminal and methodTAOKA HIDEKAZU·Filed 2009·Granted Feb 18, 2014·25 cites·11 claims
- 1092US7397839B2OFDM communication system and methodNTT DOCOMO INC·Filed 2005·Granted Jul 8, 2008·30 cites·9 claims
- 1192US7185256B2Communication system and method employing automatic repeat requestNTT DOCOMO INC·Filed 2001·Granted Feb 27, 2007·83 cites·9 claims
- 1292US6137788ACDMA demodulating apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Oct 24, 2000·169 cites·29 claims
- 1391US8385318B2Transmitter, receiver, mobile communication system and synchronization channelNTT DOCOMO INC·Filed 2006·Granted Feb 26, 2013·17 cites·4 claims
- 1491US8331347B2Cell search method, mobile station, and base stationKISHIYAMA YOSHIHISA·Filed 2007·Granted Dec 11, 2012·20 cites·12 claims
- 1591US7486638B2Base station, control device, communication system and communication methodNTT DOCOMO INC·Filed 2003·Granted Feb 3, 2009·69 cites·15 claims
- 1691US5910948AAcquisition scheme and receiver for an asynchronous DS-CDMA cellular communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Jun 8, 1999·133 cites·7 claims
- 1790US8660070B2Base station, communication terminal, transmission method, and reception methodMIKI NOBUHIKO·Filed 2007·Granted Feb 25, 2014·19 cites·13 claims
- 1890US8208363B2Transmission apparatus and transmission methodKISHIYAMA YOSHIHISA·Filed 2006·Granted Jun 26, 2012·16 cites·34 claims
- 1990US7974177B2User equipment, base station apparatus, and methodNTT DOCOMO INC·Filed 2007·Granted Jul 5, 2011·20 cites·24 claims
- 2090US7298721B2Single-carrier/DS-CDMA packet transmitting method, uplink packet transmitting method in multi carrier/DS-CDMA mobile communication system, and structure of downlink channel in multi carrier/DS-CDMA mobile communication systemNTT DOCOMO INC·Filed 2001·Granted Nov 20, 2007·39 cites·11 claims
- 2190US6167037ASignal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Dec 26, 2000·92 cites·30 claims
- 2290US5898665ACoherent tracking apparatus and method for CDMA receiverNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Apr 27, 1999·118 cites·18 claims
- 2389US8498347B2Transmission apparatus and reception apparatusKAWAMURA TERUO·Filed 2007·Granted Jul 30, 2013·16 cites·11 claims
- 2489US8385246B2Downlink MIMO transmission control method and base station apparatusNTT DOCOMO INC·Filed 2007·Granted Feb 26, 2013·15 cites·28 claims
- 2589US8018898B2Base station and mobile stationNTT DOCOMO INC·Filed 2007·Granted Sep 13, 2011·15 cites·8 claims
- 2689US7983292B2Base station, mobile station, and communications methodNTT DOCOMO INC·Filed 2007·Granted Jul 19, 2011·15 cites·10 claims
- 2789US6097711ADS-CDMA transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Aug 1, 2000·78 cites·6 claims
- 2889US5694388ACDMA demodulator and demodulation methodNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Dec 2, 1997·138 cites·38 claims
- 2988US9369996B2Base station apparatus, user apparatus and communication control methodNTT DOCOMO INC·Filed 2013·Granted Jun 14, 2016·7 cites·7 claims
- 3088US8400909B2Transmission apparatus, reception apparatus, mobile communications system and transmission control methodOFUJI YOSHIAKI·Filed 2010·Granted Mar 19, 2013·8 cites·16 claims
- 3188US7961699B2Apparatus and methods of transmitting and receiving a multimedia-broadcast multicast service (MBMS) channelNTT DOCOMO INC·Filed 2007·Granted Jun 14, 2011·14 cites·6 claims
- 3288US7646747B2Channel constructing method and base station using the methodNTT DOCOMO INC·Filed 2001·Granted Jan 12, 2010·49 cites·16 claims
- 3388US5586113ACDMA communications method and systemNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Dec 17, 1996·89 cites·10 claims
- 3488US5566165ATransmission power control method and a communication system using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Oct 15, 1996·146 cites·10 claims
- 3587US8817753B2Mobile terminal apparatus and radio communication methodKAWAMURA TERUO·Filed 2010·Granted Aug 26, 2014·8 cites·13 claims
- 3687US8301951B2Base station with a retransmission functionMIKI NOBUHIKO·Filed 2007·Granted Oct 30, 2012·15 cites·14 claims
- 3787US8072931B2Base station, communication terminal, transmission method and reception methodHIGUCHI KENICHI·Filed 2007·Granted Dec 6, 2011·11 cites·12 claims
- 3887US7072381B2Path search method, channel estimation method and communication deviceNTT DOCOMO INC·Filed 2000·Granted Jul 4, 2006·52 cites·19 claims
- 3987US5652765AReceiver and repeater for spread spectrum communicationsNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Jul 29, 1997·94 cites·22 claims
- 4087US5638362ACorrelation detector and communication apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Jun 10, 1997·98 cites·9 claims
- 4186US8498663B2Base station, mobile station, and power control methodHIGUCHI KENICHI·Filed 2012·Granted Jul 30, 2013·6 cites·15 claims
- 4286US8472548B2Radio base station apparatus and method for selecting modulation and coding schemeTAOKA HIDEKAZU·Filed 2010·Granted Jun 25, 2013·9 cites·9 claims
- 4386US8009623B2Base station, user apparatus and method for use of multiple sizes of resource blocksNTT DOCOMO INC·Filed 2007·Granted Aug 30, 2011·14 cites·12 claims
- 4485US8626216B2Transmission and reception bandwidth setting method, mobile terminal and base station in radio communication system that defines a plurality of signal bandwidthsHIGUCHI KENICHI·Filed 2006·Granted Jan 7, 2014·11 cites·15 claims
- 4585US8289931B2Transmitting device, receiving device, and random access control methodHIGUCHI KENICHI·Filed 2007·Granted Oct 16, 2012·12 cites·8 claims
- 4685US8279742B2Transmission apparatus and transmission methodKISHIYAMA YOSHIHISA·Filed 2011·Granted Oct 2, 2012·5 cites·36 claims
- 4785US8184573B2Base station, mobile station, and synchronization channel transmission methodHIGUCHI KENICHI·Filed 2008·Granted May 22, 2012·12 cites·23 claims
- 4885US7421009B2Noise power estimation apparatus, noise power estimation method and signal detection apparatusNTT DOCOMO INC·Filed 2005·Granted Sep 2, 2008·10 cites·7 claims
- 4985US7333420B2Receiving process method and receiving apparatus in mobile communication systemNTT DOCOMO INC·Filed 2002·Granted Feb 19, 2008·29 cites·21 claims
- 5084US8422356B2Base station, user apparatus, and methodKISHIYAMA YOSHIHISA·Filed 2007·Granted Apr 16, 2013·9 cites·10 claims
Showing the top 50 of 367 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →