Inventor · disambiguated record
Tetsu Taguchi
Also filed as: TAGUCHI TETSU
30 granted patents·1,238 citations·filing 1979–1996
98Inventor score
Top patents by PatentIndex Score
30 records- 0199US4282405ASpeech analyzer comprising circuits for calculating autocorrelation coefficients forwardly and backwardlyNIPPON ELECTRIC CO·Filed 1979·Granted Aug 4, 1981·287 cites·4 claims
- 0292US4301329ASpeech analysis and synthesis apparatusNIPPON ELECTRIC CO·Filed 1979·Granted Nov 17, 1981·53 cites·10 claims
- 0391US4723294ANoise canceling systemNEC CORP·Filed 1986·Granted Feb 2, 1988·127 cites·10 claims
- 0490US4769847ANoise canceling apparatusNEC CORP·Filed 1986·Granted Sep 6, 1988·46 cites·13 claims
- 0586US5339054AModulated signal transmission system compensated for nonlinear and linear distortionNEC CORP·Filed 1993·Granted Aug 16, 1994·136 cites·7 claims
- 0685US4817141AConfidential communication systemNEC CORP·Filed 1987·Granted Mar 28, 1989·49 cites·24 claims
- 0779US5062102AEcho canceller with means for determining filter coefficients from autocorrelation and cross-correlation coefficientsNEC CORP·Filed 1989·Granted Oct 29, 1991·49 cites·4 claims
- 0877US4672638AMultipath canceller for cancelling a distortion caused to a radio frequency pulse by multipath transmissionNEC CORP·Filed 1984·Granted Jun 9, 1987·34 cites·13 claims
- 0973US4360708ASpeech processor having speech analyzer and synthesizerNIPPON ELECTRIC CO·Filed 1981·Granted Nov 23, 1982·41 cites·5 claims
- 1067US4701955AVariable frame length vocoderNEC CORP·Filed 1983·Granted Oct 20, 1987·33 cites·11 claims
- 1159US4720865AMulti-pulse type vocoderNEC CORP·Filed 1984·Granted Jan 19, 1988·23 cites·9 claims
- 1258US5056143ASpeech processing systemNEC CORP·Filed 1989·Granted Oct 8, 1991·29 cites·22 claims
- 1355US4852172ASpeech recognition systemNEC CORP·Filed 1986·Granted Jul 25, 1989·27 cites·6 claims
- 1454US4937868ASpeech analysis-synthesis system using sinusoidal wavesNEC CORP·Filed 1987·Granted Jun 26, 1990·26 cites·23 claims
- 1553US5463716AFormant extraction on the basis of LPC information developed for individual partial bandwidthsNEC CORP·Filed 1994·Granted Oct 31, 1995·27 cites·3 claims
- 1652US5504832AReduction of phase information in coding of speechNEC CORP·Filed 1992·Granted Apr 2, 1996·26 cites·18 claims
- 1752US5048088ALinear predictive speech analysis-synthesis apparatusNEC CORP·Filed 1989·Granted Sep 10, 1991·23 cites·8 claims
- 1852US5027404APattern matching vocoderNEC CORP·Filed 1990·Granted Jun 25, 1991·26 cites·8 claims
- 1951US4815135ASpeech signal processorNEC CORP·Filed 1985·Granted Mar 21, 1989·22 cites·22 claims
- 2050US4991215AMulti-pulse coding apparatus with a reduced bit rateNEC CORP·Filed 1989·Granted Feb 5, 1991·22 cites·17 claims
- 2149US4975955APattern matching vocoder using LSP parametersNEC CORP·Filed 1989·Granted Dec 4, 1990·20 cites·11 claims
- 2248US5226083ACommunication apparatus for speech signalNEC CORP·Filed 1991·Granted Jul 6, 1993·13 cites·14 claims
- 2345US5734790ALow bit rate speech signal transmitting system using an analyzer and synthesizer with calculation reductionNEC CORP·Filed 1996·Granted Mar 31, 1998·22 cites·12 claims
- 2443US5696874AMultipulse processing with freedom given to multipulse positions of a speech signalNEC CORP·Filed 1994·Granted Dec 9, 1997·16 cites·36 claims
- 2542US4903303AMulti-pulse type encoder having a low transmission rateNEC CORP·Filed 1988·Granted Feb 20, 1990·14 cites·5 claims
- 2637US5202953AMulti-pulse type coding system with correlation calculation by backward-filtering operation for multi-pulse searchingNEC CORP·Filed 1992·Granted Apr 13, 1993·11 cites·5 claims
- 2737US4881267AEncoder of a multi-pulse type capable of optimizing the number of excitation pulses and quantization levelNEC CORP·Filed 1988·Granted Nov 14, 1989·10 cites·5 claims
- 2836US4914702AFormant pattern matching vocoderNEC CORP·Filed 1986·Granted Apr 3, 1990·9 cites·11 claims
- 2933US5557705ALow bit rate speech signal transmitting system using an analyzer and synthesizerNEC CORP·Filed 1992·Granted Sep 17, 1996·7 cites·10 claims
- 3032US4908863AMulti-pulse coding systemTAGUCHI TETSU·Filed 1987·Granted Mar 13, 1990·10 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →