Inventor · disambiguated record
Eisaku Sasaki
Also filed as: SASAKI EISAKU
33 granted patents·3 pending applications·565 citations·filing 1988–2023
97Inventor score
Top patents by PatentIndex Score
36 records- 0181US5314418ACannulaTOYO BOSEKI·Filed 1993·Granted May 24, 1994·213 cites·4 claims
- 0278US6570441B1Incoherent demodulator and method of incoherently demodulating an IF signalNEC CORP·Filed 2000·Granted May 27, 2003·17 cites·16 claims
- 0376US11362440B2Antenna device, wireless transmitter, wireless receiver, and wireless communication systemNEC CORP·Filed 2020·Granted Jun 14, 2022·1 cites·10 claims
- 0476US9136979B2Carrier wave reproduction device and carrier wave reproduction methodNEC CORP·Filed 2013·Granted Sep 15, 2015·4 cites·12 claims
- 0576US5031133AFIR digital filter for high-speed communications systemsNEC CORP·Filed 1990·Granted Jul 9, 1991·30 cites·2 claims
- 0674US11438032B2OAM reception apparatus, OAM reception method, and OAM transmission systemNEC CORP·Filed 2019·Granted Sep 6, 2022·2 cites·13 claims
- 0772US5408499AMultilevel code for transmission deviceNEC CORP·Filed 1994·Granted Apr 18, 1995·32 cites·10 claims
- 0869US8787478B2Wireless communication system, receiving apparatus, transmitting apparatus, wireless communication method, receiving method, and transmitting methodSASAKI EISAKU·Filed 2008·Granted Jul 22, 2014·4 cites·12 claims
- 0969US6512473B2Clock synchronizing circuitNEC CORP·Filed 2002·Granted Jan 28, 2003·13 cites·18 claims
- 1064US6624691B1Demodulator for processing digital signalNEC CORP·Filed 2000·Granted Sep 23, 2003·9 cites·29 claims
- 1162US5789988AClock recovery circuit for QAM demodulatorNEC CORP·Filed 1997·Granted Aug 4, 1998·48 cites·10 claims
- 1260US5570379ACoded modulation apparatusNEC CORP·Filed 1994·Granted Oct 29, 1996·41 cites·7 claims
- 1359US6121828ADemodulatorNEC CORP·Filed 1999·Granted Sep 19, 2000·41 cites·14 claims
- 1456US8958492B1Data transmission method, data reception method, data modulation device, data demodulation deviceKAMIYA NORIFUMI·Filed 2010·Granted Feb 17, 2015·2 cites·40 claims
- 1556US4864244AStepped square-QAM demodulator utilizing all signal points to generate control signalsNEC CORP·Filed 1988·Granted Sep 5, 1989·20 cites·7 claims
- 1656US2024120965A1Wireless communication system, wireless communication method, and recording mediumNEC CORP·Filed 2023·Application pending·0 cites
- 1755US12261686B2Control apparatus, OAM mode-multiplexing transmitting apparatus, OAM mode-multiplexing receiving apparatus, control method, and non-transitory computer readable mediumNEC CORP·Filed 2023·Granted Mar 25, 2025·0 cites·16 claims
- 1852US8229022B2Modulation and demodulation method, modulation apparatus and demodulation apparatusNODA SEIICHI·Filed 2006·Granted Jul 24, 2012·1 cites·22 claims
- 1952US8086259B2Radio communication apparatus, radio communication system and radio communication methodSASAKI EISAKU·Filed 2007·Granted Dec 27, 2011·1 cites·19 claims
- 2047US11159211B2Radio transmission device, baseband processing device, radio transmission method, and radio reception deviceNEC CORP·Filed 2018·Granted Oct 26, 2021·0 cites·14 claims
- 2147US8675771B2Log likelihood ratio arithmetic circuit, transmission apparatus, log likelihood ratio arithmetic method, and programSASAKI EISAKU·Filed 2006·Granted Mar 18, 2014·0 cites·15 claims
- 2247US6127897AZero-crossing detection type clock recovery circuit operated at symbol rateNEC CORP·Filed 1999·Granted Oct 3, 2000·20 cites·14 claims
- 2346US11929865B2Signal modulation apparatus and signal modulation methodNEC CORP·Filed 2022·Granted Mar 12, 2024·0 cites·11 claims
- 2445US6411658B1Demodulation deviceNEC CORP·Filed 1999·Granted Jun 25, 2002·19 cites·3 claims
- 2543US10998948B2OAM reception apparatus, OAM reception method, and OAM transmission systemNEC CORP·Filed 2020·Granted May 4, 2021·0 cites·8 claims
- 2643US9876668B2Communication apparatus, demodulation apparatus, carrier reproduction apparatus, phase error compensation apparatus, phase error compensation method, and storage medium on which phase error compensation program has been storedNEC CORP·Filed 2015·Granted Jan 23, 2018·0 cites·7 claims
- 2743US2004127179A1Dual polarization transmission receiving system and local oscillator phase noise reduction methodNEC CORP·Filed 2003·Application pending·0 cites
- 2841US5912827ADigital filter with low rolloff factorNEC CORP·Filed 1996·Granted Jun 15, 1999·6 cites·8 claims
- 2940US10763973B2Phase noise compensation apparatus, demodulation apparatus, communication apparatus, communication system, and phase noise compensation methodNEC CORP·Filed 2017·Granted Sep 1, 2020·0 cites·11 claims
- 3040US8527847B2Channel switching signal generating circuit and channel switching signal generating methodSASAKI EISAKU·Filed 2007·Granted Sep 3, 2013·0 cites·11 claims
- 3139US11290154B2Control device, delay difference adjustment method, and non-transitory computer readable medium for storing delay difference adjustment programNEC CORP·Filed 2019·Granted Mar 29, 2022·0 cites·10 claims
- 3239US8675778B2Carrier recovery circuit and demodulation circuit under quasi-coherent detection methodSASAKI EISAKU·Filed 2010·Granted Mar 18, 2014·0 cites·7 claims
- 3338US4837782ACMI decoderNEC CORP·Filed 1988·Granted Jun 6, 1989·7 cites·5 claims
- 3437US5129878AAuxiliary circulation apparatus and method of its drivingTOYO BOSEKI·Filed 1990·Granted Jul 14, 1992·30 cites·8 claims
- 3533US5825828AMethod and apparatus for multi-level quadrature amplitude modulationNEC CORP·Filed 1996·Granted Oct 20, 1998·4 cites·6 claims
- 3633US2013181770A1Pll circuitSASAKI EISAKU·Filed 2011·Application pending·0 cites
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