Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RC

Rathinavelu Chengalvarayan — 39 Patents

General Motors: 31 patents #338 of 18,328Top 2%
ATAT&T: 8 patents #2,291 of 18,772Top 15%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Naperville, IL: #58 of 3,051 inventorsTop 2%
Illinois: #1,310 of 84,256 inventorsTop 2%
Overall (All Time): #81,245 of 4,157,543Top 2%
39 Patents All Time
Rathinavelu Chengalvarayan has been granted 39 US patents while listed as an inventor at General Motors. The first was granted in 2000 and the most recent in July 2021. Rathinavelu Chengalvarayan ranks #81,245 of 4,157,543 US inventors in our database (top 2.0%). Patent records list Rathinavelu Chengalvarayan in Naperville, IL, US.

Patents per Year

Patents granted per year, 2000 to 2021Bar chart with a peak of 8 patents in 2013.peak 82000: 3 patents20002001: 1 patents2003: 1 patents20032005: 1 patents2006: 1 patents20062009: 1 patents2010: 4 patents20102011: 5 patents2012: 1 patents20122013: 8 patents2014: 5 patents20142015: 3 patents2016: 1 patents20162017: 2 patents2018: 1 patents20182021: 1 patents2021

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11074905 System and method for personalization in speech recognition 2021-07-27 $94,207,000
9966063 System and method for personalization in speech recognition 2018-05-08 $38,015,000
9620106 System and method for personalization in speech recogniton 2017-04-11 $34,910,000
9564120 Speech adaptation in speech synthesis Jeffrey M. Stefan, Gaurav Talwar 2017-02-07 $15,315,000
9245526 Dynamic clustering of nametags in an automated speech recognition system 2016-01-26 $10,568,000
9210249 Method of controlling dialing modes in a vehicle Michael A. Wuergler, Sherri J. Voran-Nowak, Gaurav Talwar 2015-12-08 $15,127,000
9177557 Singular value decomposition for improved voice recognition in presence of multi-talker background noise Gaurav Talwar 2015-11-03 $8,214,000
9082414 Correcting unintelligible synthesized speech Gaurav Talwar 2015-07-14 $6,417,000
8787977 Method of controlling dialing modes in a vehicle Michael A. Wuergler, Sherri J. Voran-Nowak, Gaurav Talwar 2014-07-22 $9,025,000
8762151 Speech recognition for premature enunciation John J. Correia, Gaurav Talwar, Xufang Zhao 2014-06-24 $6,201,000
8756062 Male acoustic model adaptation based on language-independent female speech data Gaurav Talwar 2014-06-17 $14,859,000
8688451 Distinguishing out-of-vocabulary speech from in-vocabulary speech Timothy J. Grost 2014-04-01 $10,801,000
8626506 Method and system for dynamic nametag scoring John J. Correia 2014-01-07 $7,078,000
8600741 Method of using microphone characteristics to optimize speech recognition performance Gaurav Talwar, Jesse T. Gratke, Subhash B. Gullapalli, Dana B. Fecher 2013-12-03 $9,458,000
8600760 Correcting substitution errors during automatic speech recognition by accepting a second best when first best is confusable Timothy J. Grost, Jason W. Clark, Edward J. Abeska 2013-12-03 $9,458,000
8560313 Transient noise rejection for speech recognition Gaurav Talwar 2013-10-15 $6,374,000
8532674 Method of intelligent vehicle dialing Uma Arun, Kevin R. Krause, Eray Yasan, Gaurav Talwar, Xufang Zhao +1 more 2013-09-10 $8,961,000
8438028 Nametag confusability determination Lawrence D. Cepuran 2013-05-07 $9,456,000
8438030 Automated distortion classification Gaurav Talwar 2013-05-07 $9,456,000
8423362 In-vehicle circumstantial speech recognition Timothy J. Grost, Edward J. Abeska 2013-04-16 $13,453,000
8374868 Method of recognizing speech Uma Arun, Sherri J. Voran-Nowak, Gaurav Talwar 2013-02-12 $5,952,000
8296145 Voice dialing using a rejection reference Jason W. Clark, Timothy J. Grost, Dana B. Fecher, Jeremy Spaulding 2012-10-23 $8,527,000
8054990 Method of recognizing speech from a plurality of speaking locations within a vehicle Jesse T. Gratke 2011-11-08 $3,733,000
8055502 Voice dialing using a rejection reference Jason W. Clark, Timothy J. Grost, Dana B. Fecher, Jeremy Spaulding 2011-11-08 $3,733,000
8050928 Speech to DTMF generation David George, Scott M. Pennock, Jason W. Clark 2011-11-01 $4,328,000