Inventor · disambiguated record
Richard P. Sprague
Also filed as: SPRAGUE RICHARD P
8 granted patents·869 citations·filing 1984–1990
89Inventor score
Top patents by PatentIndex Score
8 records- 0196US4833718ACompression of stored waveforms for artificial speechFIRST BYTE·Filed 1987·Granted May 23, 1989·191 cites·3 claims
- 0295US4852168ACompression of stored waveforms for artificial speechSPRAGUE RICHARD P·Filed 1986·Granted Jul 25, 1989·274 cites·16 claims
- 0393US4692941AReal-time text-to-speech conversion systemFIRST BYTE·Filed 1984·Granted Sep 8, 1987·374 cites·17 claims
- 0444US4617645ACompaction method for waveform storageFIRST BYTE·Filed 1984·Granted Oct 14, 1986·8 cites·10 claims
- 0535US4805220AConversionless digital speech productionFIRST BYTE·Filed 1986·Granted Feb 14, 1989·8 cites·5 claims
- 0632US5163110APitch control in artificial speechFIRST BYTE·Filed 1990·Granted Nov 10, 1992·10 cites·7 claims
- 0726US5140639ASpeech generation using variable frequency oscillatorsFIRST BYTE·Filed 1990·Granted Aug 18, 1992·3 cites·6 claims
- 0825US5029213ASpeech production by unconverted digital signalsFIRST BYTE·Filed 1989·Granted Jul 2, 1991·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →