Inventor · disambiguated record
Nobuo Tsukamoto
Also filed as: TSUKAMOTO NOBUO · YAMAKIDO KAZUO
37 granted patents·5 pending applications·1,226 citations·filing 1977–2023
98Inventor score
Files withHITACHI LTD10HITACHI ELECTRONICS9NIHON DEMPA KOGYO CO7HITACHI INT ELECTRIC INC5KOBAYASHI KAORU2
Top patents by PatentIndex Score
42 records- 0196US5128981ARadio communication system and a portable wireless terminalHITACHI LTD·Filed 1990·Granted Jul 7, 1992·339 cites·16 claims
- 0290US7538540B2Bus bar current detecting apparatusTOYOTA MOTOR CO LTD·Filed 2005·Granted May 26, 2009·19 cites·5 claims
- 0389US7398163B2Sensing apparatusNIHON DEMPA KOGYO CO·Filed 2005·Granted Jul 8, 2008·13 cites·10 claims
- 0485US5157660ACommunication system including portable terminals and fixed terminalsHITACHI LTD·Filed 1990·Granted Oct 20, 1992·115 cites·3 claims
- 0583US4881271APortable wireless communication systemsHITACHI LTD·Filed 1988·Granted Nov 14, 1989·157 cites·12 claims
- 0681US7242247B2Distortion compensation circuit, power amplifier using distortion compensation circuit, and distortion compensation signal generating methodHITACHI INT ELECTRIC INC·Filed 2005·Granted Jul 10, 2007·16 cites·10 claims
- 0778US5392456AMethod of controlling filter time constant and filter circuit having the time constant control function based on the methodHITACHI LTD·Filed 1990·Granted Feb 21, 1995·33 cites·17 claims
- 0877US7899633B2Sensing apparatusNIHON DEMPA KOGYO CO·Filed 2008·Granted Mar 1, 2011·4 cites·7 claims
- 0976US7821344B2VCO driving circuit and frequency synthesizerNIHON DEMPA KOGYO CO·Filed 2008·Granted Oct 26, 2010·8 cites·15 claims
- 1076US6304611B1OFDM modulator and OFDM modulation method for digital modulated wave having guard intervalHITACHI ELECTRONICS·Filed 1998·Granted Oct 16, 2001·104 cites·19 claims
- 1175US5420845AMethods of varying optical properties, optical devices, information recording media and information recording methods and apparatusesHITACHI LTD·Filed 1992·Granted May 30, 1995·39 cites·27 claims
- 1272US6512798B1Digital communication system of orthogonal modulation typeHITACHI ELECTRONICS·Filed 1999·Granted Jan 28, 2003·78 cites·11 claims
- 1371US2024100051A1Anti-Tumor Immunotherapy EnhancerTSUKAMOTO NOBUO·Filed 2023·Application pending·0 cites
- 1470US4441192ASignal processing system having impulse response detecting circuitHITACHI LTD·Filed 1981·Granted Apr 3, 1984·30 cites·2 claims
- 1569US7825701B2Frequency synthesizerNIHON DEMPA KOGYO CO·Filed 2007·Granted Nov 2, 2010·6 cites·12 claims
- 1669US4250492ANon-uniform weighting circuitryHITACHI LTD·Filed 1977·Granted Feb 10, 1981·14 cites·11 claims
- 1768US7016298B2Signal transmission/reception system of orthogonal frequency division multiplexingJAPAN BROADCASTING CORP·Filed 2001·Granted Mar 21, 2006·14 cites·18 claims
- 1868US6879630B2Automatic equalization circuit and receiver circuit using the sameHITACHI INT ELECTRIC INC·Filed 2001·Granted Apr 12, 2005·15 cites·18 claims
- 1966US7359314B2Signal transmission system for transmitting a signal with a guard interval and a demodulation method thereofHITACHI LTD·Filed 2002·Granted Apr 15, 2008·10 cites·20 claims
- 2065US2025339504A1Cancer vaccine with use of common cancer antigen cocktail, tcr/car-t cell therapeutic, companion diagnostic method, and method for diagnosing risk of cancer onset by detecting circulating tumor cellsNAT CANCER CT·Filed 2023·Application pending·0 cites
- 2164US7893774B2VCO driving circuit and frequency synthesizerNIHON DEMPA KOGYO CO·Filed 2010·Granted Feb 22, 2011·2 cites·4 claims
- 2264US7888974B2Frequency synthesizerNIHON DEMPA KOGYO CO·Filed 2010·Granted Feb 15, 2011·2 cites·7 claims
- 2363US6381251B1Data transmission apparatus and receiving apparatus using orthogonal frequency division multiplex modulation systemHITACHI ELECTRONICS·Filed 1998·Granted Apr 30, 2002·51 cites·42 claims
- 2460US8090004B2Spectrum spread communication method and system using very weak power, and high frequency radio apparatusKOBAYASHI KAORU·Filed 2006·Granted Jan 3, 2012·2 cites·13 claims
- 2560US7180368B2Distortion compensation circuit, distortion compensation signal generating method, and power amplifierHITACHI INT ELECTRIC INC·Filed 2003·Granted Feb 20, 2007·11 cites·4 claims
- 2660US6246735B1Synchronization detection method for data transmission apparatus and data transmission apparatus using the sameHITACHI ELECTRONICS·Filed 1998·Granted Jun 12, 2001·44 cites·25 claims
- 2760US2007120355A1Instruction manual of electronic deviceORION ELECTRIC CO LTD·Filed 2006·Application pending·0 cites
- 2857US6745365B2Coder with error correction, decoder with error correction and data transmission apparatus using the coder and decoderHITACHI INT ELECTRIC INC·Filed 2000·Granted Jun 1, 2004·5 cites·19 claims
- 2956US11752150B2Anti-tumor immunotherapy enhancerTSUKAMOTO NOBUO·Filed 2018·Granted Sep 12, 2023·0 cites·10 claims
- 3053US8228970B2Signal processing device and wireless apparatusKOBAYASHI KAORU·Filed 2008·Granted Jul 24, 2012·1 cites·4 claims
- 3150US6611493B1Communication, transmission and receiving method and apparatus using orthogonal frequency division multiplexing modulation systemHITACHI ELECTRONICS·Filed 1999·Granted Aug 26, 2003·27 cites·34 claims
- 3247US7483368B2Method and detecting carrier shift amount in digital transmission signal, method of correcting carrier shift amount, and receiver employing these methodsHITACHI INT ELECTRIC INC·Filed 2004·Granted Jan 27, 2009·0 cites·8 claims
- 3345US7603100B2High-frequency radio apparatusNIHON DEMPA KOGYO CO·Filed 2005·Granted Oct 13, 2009·0 cites·20 claims
- 3445US6046629AMethod of an apparatus for demodulating amplitude-modulated signals in an amplitude phase shift keying (APSK) systemHITACHI ELECTRONICS·Filed 1998·Granted Apr 4, 2000·20 cites·25 claims
- 3545US4346472AMethod and apparatus for eliminating double bit errosion in a differential phase shift keying systemHITACHI LTD·Filed 1980·Granted Aug 24, 1982·11 cites·7 claims
- 3642US6381236B1Bi-directional digital transmission system and bi-directional digital transmission methodHITACHI ELECTRONICS·Filed 1999·Granted Apr 30, 2002·15 cites·16 claims
- 3742US2002027952A1Method for automatic equalization for use in demodulating a digital multilevel modulation signal and automatic equalization circuit and receiver circuit using the methodFiled 2001·Application pending·0 cites
- 3839US2001033615A1Automatic equalization circuit and receiver circuit using the sameFiled 2001·Application pending·0 cites
- 3934US8648625B2Frequency synthesizerAKAIKE KAZUO·Filed 2010·Granted Feb 11, 2014·0 cites·2 claims
- 4034US6813326B1Data transmission system, data transmission communication station, and data transmission methodHITACHI ELECTRONICS·Filed 1999·Granted Nov 2, 2004·8 cites·4 claims
- 4134US6473466B1Data transmitting method and data transmitting apparatus accompanied with a plurality of transmitting of receiving antennasHITACHI ELECTRONICS·Filed 1998·Granted Oct 29, 2002·8 cites·24 claims
- 4233US5079513ADemodulator and radio receiver having such a demodulatorHITACHI LTD·Filed 1990·Granted Jan 7, 1992·5 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →