Inventor · disambiguated record
Charles T. Hemphill
Also filed as: HEMPHILL CHARLES T
14 granted patents·2 pending applications·2,119 citations·filing 1989–2015
96Inventor score
Top patents by PatentIndex Score
16 records- 0197US7020609B2Voice activated apparatus for accessing information on the World Wide WebTEXAS INSTRUMENTS INC·Filed 2001·Granted Mar 28, 2006·255 cites·26 claims
- 0295US5333275ASystem and method for time aligning speechWHEATLEY BARBARA J·Filed 1992·Granted Jul 26, 1994·369 cites·46 claims
- 0393US6411932B1Rule-based learning of word pronunciations from training corporaTEXAS INSTRUMENTS INC·Filed 1999·Granted Jun 25, 2002·326 cites·18 claims
- 0492US6188985B1Wireless voice-activated device for control of a processor-based host systemTEXAS INSTRUMENTS INC·Filed 1997·Granted Feb 13, 2001·215 cites·18 claims
- 0592US5083268ASystem and method for parsing natural language by unifying lexical features of wordsTEXAS INSTRUMENTS INC·Filed 1990·Granted Jan 21, 1992·243 cites·19 claims
- 0689US6456974B1System and method for adding speech recognition capabilities to javaTEXAS INSTRUMENTS INC·Filed 1997·Granted Sep 24, 2002·250 cites·20 claims
- 0786US6965864B1Voice activated hypermedia systems using grammatical metadataTEXAS INSTRUMENTS INC·Filed 1995·Granted Nov 15, 2005·105 cites·9 claims
- 0883US5774628ASpeaker-independent dynamic vocabulary and grammar in speech recognitionTEXAS INSTRUMENTS INC·Filed 1995·Granted Jun 30, 1998·111 cites·20 claims
- 0983US4984178AChart parser for stochastic unification grammarTEXAS INSTRUMENTS INC·Filed 1989·Granted Jan 8, 1991·92 cites·33 claims
- 1075US5218537ASystem and method for using a computer to generate and teach grammar lessonsTEXAS INSTRUMENTS INC·Filed 1992·Granted Jun 8, 1993·61 cites·19 claims
- 1167US6282512B1Enhancement of markup language pages to support spoken queriesTEXAS INSTRUMENTS INC·Filed 1999·Granted Aug 28, 2001·53 cites·17 claims
- 1248US8046228B2Voice activated hypermedia systems using grammatical metadataTEXAS INSTRUMENTS INC·Filed 2006·Granted Oct 25, 2011·0 cites·22 claims
- 1346US5222187AGrammar-based checksum constraints for high performance speech recognition circuitTEXAS INSTRUMENTS INC·Filed 1989·Granted Jun 22, 1993·17 cites·32 claims
- 1445US2011173537A1Integrated data processing and transcription serviceEVERSPEECH INC·Filed 2011·Application pending·0 cites
- 1545US2015378673A1Integrated data processing and transcription serviceHEMPHILL CHARLES T·Filed 2015·Application pending·0 cites
- 1643US5812974ASpeech recognition using middle-to-middle context hidden markov modelsTEXAS INSTRUMENTS INC·Filed 1996·Granted Sep 22, 1998·22 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →