Inventor · disambiguated record
Noboru Kawada
Also filed as: KAWADA NOBORU
19 granted patents·1 pending application·226 citations·filing 1993–2001
94Inventor score
Files withFUJITSU LTD19
Top patents by PatentIndex Score
20 records- 0163US5757865ACarrier phase control circuitFUJITSU LTD·Filed 1995·Granted May 26, 1998·49 cites·15 claims
- 0257US5625643AModulator and demodulator apparatusFUJITSU LTD·Filed 1993·Granted Apr 29, 1997·27 cites·8 claims
- 0356US5515429ABackup apparatus against line defect and backup method against line defectFUJITSU LTD·Filed 1994·Granted May 7, 1996·30 cites·9 claims
- 0454US5563908AModulator and demodulator apparatusFUJITSU LTD·Filed 1995·Granted Oct 8, 1996·27 cites·4 claims
- 0547US5537437AInitialization equalization for modulation and demodulation using special training patternFUJITSU LTD·Filed 1995·Granted Jul 16, 1996·24 cites·8 claims
- 0642US6448861B2PLL controller, method of PLL control, and limiterFUJITSU LTD·Filed 2001·Granted Sep 10, 2002·3 cites·8 claims
- 0741US5710754AMultiplex transmission system wherein analog signal is transformed to base band random-transformed and superimposed on dispersed signal points in vector signal spaceFUJITSU LTD·Filed 1995·Granted Jan 20, 1998·10 cites·80 claims
- 0838US6298036B1Multiplex transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal spaceFUJITSU LTD·Filed 1997·Granted Oct 2, 2001·7 cites·15 claims
- 0936US5388122AModulation and demodulation systemFUJITSU LTD·Filed 1993·Granted Feb 7, 1995·10 cites·23 claims
- 1035US5432786AModem for modulating and demodulating main signal and secondary signal with clock synchronized system and transforming secondary signal between start-stop system and clock-synchronized systemFUJITSU LTD·Filed 1994·Granted Jul 11, 1995·8 cites·28 claims
- 1135US2001007582A1Data transmitting apparatus, automatic level adjustment method and activation control methodFiled 2001·Application pending·0 cites
- 1234US6377647B1PLL circuitFUJITSU LTD·Filed 1998·Granted Apr 23, 2002·5 cites·10 claims
- 1334US6021160ATraining method for non-nyquist transmission system and training data transmission apparatus for non-nyquist transmission systemFUJITSU LTD·Filed 1995·Granted Feb 1, 2000·7 cites·17 claims
- 1433US5963593ALine equalizer control method, and integrating circuit, frequency shift circuit and transmission deviceFUJITSU LTD·Filed 1997·Granted Oct 5, 1999·6 cites·14 claims
- 1532US6282237B1Multiple transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal spaceFUJITSU LTD·Filed 1998·Granted Aug 28, 2001·2 cites·2 claims
- 1632US5648993AMethod and apparatus for synchronizing modem transmission by controlling a measured phase difference between an internal timing signal and a transmission timing signalFUJITSU LTD·Filed 1993·Granted Jul 15, 1997·5 cites·13 claims
- 1732US5442656ATiming extraction device and data transmission device using the timing extraction deviceFUJITSU LTD·Filed 1993·Granted Aug 15, 1995·5 cites·16 claims
- 1831US6226302B1Multiplex transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal spaceFUJITSU LTD·Filed 1998·Granted May 1, 2001·1 cites·2 claims
- 1930US6002712ATiming phase control apparatus and timing phase control methodFUJITSU LTD·Filed 1997·Granted Dec 14, 1999·0 cites·10 claims
- 2029US6078624AJudging method and a precoding apparatusFUJITSU LTD·Filed 1997·Granted Jun 20, 2000·0 cites·11 claims
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