Inventor · disambiguated record
Yasushi Yamao
Also filed as: YAMAO YASUSHI
47 granted patents·7 pending applications·1,484 citations·filing 1989–2012
99Inventor score
Files withNTT DOCOMO INC35NIPPON TELEGRAPH & TELEPHONE12FUKUDA ATSUSHI1FUNAI ELECTRIC CO1MOTOROLA INC1
Top patents by PatentIndex Score
54 records- 0197US7072586B2Radio base station system and central control station with unified transmission formatNTT DOCOMO INC·Filed 2000·Granted Jul 4, 2006·175 cites·9 claims
- 0297US4980652AFrequency synthesizer having compensation for nonlinearitiesNIPPON TELEGRAPH & TELEPHONE·Filed 1989·Granted Dec 25, 1990·117 cites·11 claims
- 0395US7042283B2High-efficiency linear power amplifierNTT DOCOMO INC·Filed 2004·Granted May 9, 2006·95 cites·10 claims
- 0493US7170344B2Multi-band predistorter using power series representationNTT DOCOMO INC·Filed 2005·Granted Jan 30, 2007·29 cites·19 claims
- 0592US7418056B2Digital predistorter using power series modelNTT DOCOMO INC·Filed 2005·Granted Aug 26, 2008·26 cites·18 claims
- 0690US5251330ALinear transmitterNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Oct 5, 1993·121 cites·12 claims
- 0789US7224954B2Method and device for communicating via an ad-hoc wireless networkNTT DOCOMO INC·Filed 2000·Granted May 29, 2007·39 cites·13 claims
- 0887US7170342B2Linear power amplification method and linear power amplifierNTT DOCOMO INC·Filed 2003·Granted Jan 30, 2007·43 cites·35 claims
- 0986US7443816B2Packet transmission method, base station and mobile stationNTT DOCOMO INC·Filed 2002·Granted Oct 28, 2008·45 cites·26 claims
- 1086US7245195B2Coplanar waveguide filter and method of forming sameNTT DOCOMO INC·Filed 2005·Granted Jul 17, 2007·13 cites·17 claims
- 1186US7130638B2Radio resource allocation method and base station using the sameNTT DOCOMO INC·Filed 2001·Granted Oct 31, 2006·45 cites·16 claims
- 1284US6895216B2Rendering multicast service with sufficient reception quality to wireless terminalsNTT DOCOMO INC·Filed 2001·Granted May 17, 2005·40 cites·16 claims
- 1383US7702280B2Mobile communication system, transmission station, reception station, relay station, communication path deciding method, and communication path deciding programNTT DOCOMO INC·Filed 2003·Granted Apr 20, 2010·27 cites·16 claims
- 1483US7620021B1Method, base station and mobile station for timeslot selection and timeslot assignmentNTT DOCOMO INC·Filed 2000·Granted Nov 17, 2009·35 cites·12 claims
- 1582US7292124B2Variable resonator and variable phase shifterNTT DOCOMO INC·Filed 2005·Granted Nov 6, 2007·9 cites·11 claims
- 1681US6909905B2Mobile communications control including change of bit rate based on traffic and transmit powerNTT DOCOMO INC·Filed 2000·Granted Jun 21, 2005·30 cites·10 claims
- 1781US6831904B1Cluster structured mobile communication system base station, cluster control station, line control station and mobile stationNTT DOCOMO INC·Filed 2000·Granted Dec 14, 2004·31 cites·20 claims
- 1880US7881660B2Mobile communication system, transmitting station, receiving station, relay station, communication path determining method, and communication path determining programNTT DOCOMO INC·Filed 2007·Granted Feb 1, 2011·6 cites·9 claims
- 1979US5203023APhase likelihood comparison diversity receiverNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Apr 13, 1993·65 cites·8 claims
- 2077US8098114B2Matching circuitFUKUDA ATSUSHI·Filed 2004·Granted Jan 17, 2012·13 cites·10 claims
- 2177US7519029B2Radio communication system, base station, relay station, mobile station, and packet transmission control methodNTT DOCOMO INC·Filed 2002·Granted Apr 14, 2009·22 cites·63 claims
- 2277US6760588B2Method and apparatus for stabilizing communication in mobile communication systemNTT DOCOMO INC·Filed 2000·Granted Jul 6, 2004·18 cites·11 claims
- 2376US6882845B2Autonomous zone forming communication device and autonomous zone forming methodNTT DOCOMO INC·Filed 2001·Granted Apr 19, 2005·20 cites·24 claims
- 2475US6785552B2Location managing method for managing location of mobile station in mobile wireless packet communication system and mobile wireless packet communication systemNTT DOCOMO INC·Filed 2000·Granted Aug 31, 2004·21 cites·11 claims
- 2575US6512748B1Radio paging signal coding control scheme using variable number of logical channels according to paging signal trafficNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Jan 28, 2003·81 cites·8 claims
- 2673US7944330B2Resonant element and high frequency filter, and wireless communication apparatus equipped with the resonant element or the high frequency filterFUNAI ELECTRIC CO·Filed 2008·Granted May 17, 2011·5 cites·10 claims
- 2773US7116909B2Information transmission system and information transmission method, and, optical space transmission system and optical space transmission methodNTT DOCOMO INC·Filed 2001·Granted Oct 3, 2006·14 cites·8 claims
- 2870US7373103B2Relay terminal, base station, charging server, communication system, charging method, program computer data signal, and storage mediumNTT DOCOMO INC·Filed 2002·Granted May 13, 2008·11 cites·24 claims
- 2970US7119621B2Power amplifierNTT DOCOMO INC·Filed 2004·Granted Oct 10, 2006·16 cites·19 claims
- 3070US5203024AAntenna selection diversity reception systemNIPPON TELEGRAPH & TELEPHONE·Filed 1991·Granted Apr 13, 1993·45 cites·8 claims
- 3167US7907890B2Mobile communication system, transmitting station, receiving station, relay station, communication path determining method, and communication path determining programNTT DOCOMO INC·Filed 2007·Granted Mar 15, 2011·2 cites·7 claims
- 3267US7149527B2Efficient and stable radio resource allocationNTT DOCOMO INC·Filed 2001·Granted Dec 12, 2006·12 cites·6 claims
- 3366US5794124ATime diversity communications systemNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Aug 11, 1998·37 cites·6 claims
- 3464US5231632ARadio communication equipment for a mobile station and traffic channel hand-off method using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Jul 27, 1993·24 cites·10 claims
- 3563US7006847B2Base station for use in multi-network connection communication system and its connecting methodNTT DOCOMO INC·Filed 2001·Granted Feb 28, 2006·8 cites·13 claims
- 3660US5722065AMobile communications system and mobile receiverNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Feb 24, 1998·19 cites·10 claims
- 3756US5826172AMobile communications system for repeatedly transmitting paging signalsNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Oct 20, 1998·35 cites·4 claims
- 3855US5546394AMessage fragmenting in a time diversity radio systemMOTOROLA INC·Filed 1994·Granted Aug 13, 1996·28 cites·25 claims
- 3954US7272361B2Method and device for transmitting burst signal in mobile communication system, information distribution method, and information distribution controllerNTT DOCOMO INC·Filed 2000·Granted Sep 18, 2007·3 cites·45 claims
- 4051US2007115881A1Data link transmission control methods, mobile communication systems, and data link transmission control apparatusNTT DOCOMO INC·Filed 2007·Application pending·0 cites
- 4151US2007115914A1Data link transmission control methods, mobile communication systems, and base stationsNTT DOCOMO INC·Filed 2007·Application pending·0 cites
- 4246US8792546B2Transmission circuitNAGATANI KAZUO·Filed 2012·Granted Jul 29, 2014·0 cites·8 claims
- 4346US2002181437A1Data link transmission control methods, mobile communication systems, data link transmission control apparatus, base stations, mobile stations, mobile station control programs, and computer-readable recording mediaNTT DOCOMO INC·Filed 2002·Application pending·0 cites
- 4445US7161449B2Coplanar waveguide resonatorNTT DOCOMO INC·Filed 2004·Granted Jan 9, 2007·1 cites·15 claims
- 4545US6351498B1Robust digital modulation and demodulation scheme for radio communications involving fadingNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Feb 26, 2002·19 cites·6 claims
- 4642US5760702AReceiver with symbol rate syncNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Jun 2, 1998·14 cites·6 claims
- 4742US2003199269A1Cell area formation control method, control apparatus, and cell area formation control programNTT DOCOMO INC·Filed 2003·Application pending·0 cites
- 4841US2001049291A1Retransmission control method, information delivery apparatus and radio terminal in multicast service providing systemNTT DOCOMO INC·Filed 2001·Application pending·0 cites
- 4940US7183874B2Casing contained filterNTT DOCOMO INC·Filed 2005·Granted Feb 27, 2007·0 cites·5 claims
- 5040US2003007214A1Wireless base station network system, contorl station, base station switching method, signal processing method, and handover control methodFiled 2001·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →