Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DW

Duanpei Wu — 37 Patents

Cisco: 26 patents #406 of 13,007Top 4%
Sony: 20 patents #2,042 of 25,231Top 9%
CUClemson University: 1 patents #139 of 475Top 30%
San Jose, CA: #1,541 of 32,062 inventorsTop 5%
California: #12,730 of 386,348 inventorsTop 4%
Overall (All Time): #90,368 of 4,157,543Top 3%
37 Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
6989856 System and method for performing distributed video conferencing Scott Firestone, Walter R. Friedrich, Nermin M. Ismail, Keith A. Lantz, Shantanu Sarkar +1 more 2006-01-24
6826528 Weighted frequency-channel background noise suppressor Miyuki Tanaka, Xavier Menendez-Pidal 2004-11-30
6778959 System and method for speech verification using out-of-vocabulary models Lex Olorenshaw, Xavier Menendez-Pidal, Ruxin Chen 2004-08-17
6751588 Method for performing microphone conversions in a speech recognition system Xavier Menendez-Pidal, Miyuki Tanaka 2004-06-15
6718302 Method for utilizing validity constraints in a speech endpoint detector Miyuki Tanaka, Ruxin Chen, Lex Olorenshaw 2004-04-06
6473735 System and method for speech verification using a confidence measure Xavier Menendez-Pidal, Lex Olorenshaw, Ruxin Chen 2002-10-29
6272460 Method for implementing a speech verification system for use in a noisy environment Miyuki Tanaka, Lex Olorenshaw 2001-08-07
6230122 Speech detection with noise suppression based on principal components analysis Miyuki Tanaka, Mariscela Amador-Hernandez 2001-05-08
6216103 Method for implementing a speech recognition system to determine speech endpoints during conditions with background noise Miyuki Tanaka, Ruxin Chen, Lex Olorenshaw 2001-04-10
6173258 Method for reducing noise distortions in a speech recognition system Xavier Menendez-Pidal, Miyuki Tanaka, Ruxin Chen 2001-01-09
6006186 Method and apparatus for a parameter sharing speech recognition system Ruxin Chen, Miyuki Tanaka, Lex Olorenshaw 1999-12-21
5748843 Apparatus and method for voice controlled apparel manufacture John C. Peck, Randy Rowland 1998-05-05