RC

Rathinavelu Chengalvarayan

General Motors: 31 patents #334 of 18,328Top 2%
AT AT&T: 8 patents #2,286 of 18,772Top 15%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
📍 Naperville, IL: #57 of 3,051 inventorsTop 2%
🗺 Illinois: #1,295 of 84,256 inventorsTop 2%
Overall (All Time): #82,768 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
7983916 Sampling rate independent speech recognition 2011-07-19
7881929 Ambient noise injection for use in speech recognition Timothy J. Grost 2011-02-01
7729911 Speech recognition method and system Scott M. Pennock 2010-06-01
7725316 Applying speech recognition adaptation in an automated speech recognition system of a telematics-equipped vehicle John J. Correia, Scott M. Pennock 2010-05-25
7711358 Method and system for modifying nametag files for transfer between vehicles Steven J. Ross, Christopher L. Oesterling 2010-05-04
7676363 Automated speech recognition using normalized in-vehicle speech Scott M. Pennock 2010-03-09
7596370 Management of nametags in a vehicle communications system John J. Correia 2009-09-29
6983244 Method and apparatus for improved speech recognition with supplementary information Jean-Claude Junqua, Roland Kuhn, Matteo Contolini 2006-01-03
6889189 Speech recognizer performance in car and home applications utilizing novel multiple microphone configurations Robert Boman, Luca Rigazio, Brian Hanson 2005-05-03
6606595 HMM-based echo model for noise cancellation avoiding the problem of false triggers Richard Harry Ketchum, Anand Rangaswamy Setlur, David Thomson 2003-08-12
6292776 Hierarchial subband linear predictive cepstral features for HMM-based speech recognition 2001-09-18
6112175 Speaker adaptation using discriminative linear regression on time-varying mean parameters in trended HMM 2000-08-29
6076058 Linear trajectory models incorporating preprocessing parameters for speech recognition 2000-06-13
6055499 Use of periodicity and jitter for automatic speech recognition David Thomson 2000-04-25