Inventor · disambiguated record
Vishwa Gupta
Also filed as: GUPTA VISHWA · GUPTA VISHWA N · GUPTA VISHWA NATH
20 granted patents·1 pending application·1,829 citations·filing 1988–2011
97Inventor score
Files withNORTHERN TELECOM LTD7NORTEL NETWORKS CORP6NORTEL NETWORKS LTD3GUPTA VISHWA NATH2BELL CANADA1
Top patents by PatentIndex Score
21 records- 0195US5515475ASpeech recognition method using a two-pass searchNORTHERN TELECOM LTD·Filed 1993·Granted May 7, 1996·314 cites·8 claims
- 0293US5488652AMethod and apparatus for training speech recognition algorithms for directory assistance applicationsNORTHERN TELECOM LTD·Filed 1994·Granted Jan 30, 1996·255 cites·31 claims
- 0392US6018708AMethod and apparatus for performing speech recognition utilizing a supplementary lexicon of frequently used orthographiesNORTEL NETWORKS CORP·Filed 1997·Granted Jan 25, 2000·219 cites·47 claims
- 0489US5390278APhoneme based speech recognitionBELL CANADA·Filed 1991·Granted Feb 14, 1995·209 cites·28 claims
- 0588US8423363B2Identifying keyword occurrences in audio dataGUPTA VISHWA NATH·Filed 2010·Granted Apr 16, 2013·76 cites·21 claims
- 0682US6243680B1Method and apparatus for obtaining a transcription of phrases through text and spoken utterancesNORTEL NETWORKS LTD·Filed 1998·Granted Jun 5, 2001·117 cites·54 claims
- 0781US4956865ASpeech recognitionNORTHERN TELECOM LTD·Filed 1988·Granted Sep 11, 1990·83 cites·10 claims
- 0880US5839107AMethod and apparatus for automatically generating a speech recognition vocabulary from a white pages listingNORTHERN TELECOM LTD·Filed 1996·Granted Nov 17, 1998·94 cites·57 claims
- 0978US6122361AAutomated directory assistance system utilizing priori advisor for predicting the most likely requested localityNORTEL NETWORKS CORP·Filed 1997·Granted Sep 19, 2000·78 cites·31 claims
- 1077US6092045AMethod and apparatus for speech recognitionNORTEL NETWORKS CORP·Filed 1998·Granted Jul 18, 2000·95 cites·21 claims
- 1176US5644680AUpdating markov models based on speech input and additional information for automated telephone directory assistanceNORTHERN TELECOM LTD·Filed 1995·Granted Jul 1, 1997·73 cites·11 claims
- 1272US8831760B2Content based audio copy detectionGUPTA VISHWA·Filed 2010·Granted Sep 9, 2014·10 cites·19 claims
- 1372US5983177AMethod and apparatus for obtaining transcriptions from multiple training utterancesNORTEL NETWORKS CORP·Filed 1997·Granted Nov 9, 1999·70 cites·42 claims
- 1469US8671109B2Content-based video copy detectionGUPTA VISHWA N·Filed 2011·Granted Mar 11, 2014·4 cites·37 claims
- 1566US5987408AAutomated directory assistance system utilizing a heuristics model for predicting the most likely requested numberNORTEL NETWORKS CORP·Filed 1996·Granted Nov 16, 1999·45 cites·7 claims
- 1661US6980834B2Method and apparatus for performing text to speech synthesisNORTEL NETWORKS LTD·Filed 2002·Granted Dec 27, 2005·8 cites·23 claims
- 1750US5995929AMethod and apparatus for generating an a priori advisor for a speech recognition dictionaryNORTEL NETWORKS CORP·Filed 1997·Granted Nov 30, 1999·27 cites·28 claims
- 1847US6516207B1Method and apparatus for performing text to speech synthesisNORTEL NETWORKS LTD·Filed 1999·Granted Feb 4, 2003·20 cites·23 claims
- 1944US2009254933A1Media detection using acoustic recognitionGUPTA VISHWA NATH·Filed 2009·Application pending·0 cites
- 2042US5845245AMethod and apparatus for reducing false rejection in a speech recognition systemNORTHERN TELECOM LTD·Filed 1996·Granted Dec 1, 1998·17 cites·44 claims
- 2139US6006182ASpeech recognition rejection method using generalized additive modelsNORTHERN TELECOM LTD·Filed 1997·Granted Dec 21, 1999·15 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →