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

Qi Li — 8 Patents

ATAT&T: 5 patents #3,621 of 18,772Top 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Qi Li has been granted 8 US patents while listed as an inventor at AT&T. The first was granted in 1999 and the most recent in January 2021. Qi Li ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Qi Li in Nanhu, NJ, CN.

Patents per Year

Patents granted per year, 1999 to 2021Bar chart with a peak of 2 patents in 2004.peak 21999: 1 patents19992003: 1 patents20032004: 2 patents20042006: 1 patents20062017: 1 patents20172018: 1 patents20182021: 1 patents2021

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10893125 Method and server for allocating game resources Liang Ma, Jing Zhou, Zhiqiang He, Xuan Yu, Tao Lin 2021-01-12
10021215 Method and server for allocating game resources Liang Ma, Jing Zhou, Zhiqiang He, Xuan Yu, Tao Lin 2018-07-10
9735865 Method, apparatus and system for detecting optical network Jun Zhao, Biao Qi, Xishe Liu, Jinlin Zhou, Libing Zhou 2017-08-15
7149690 Method and apparatus for interactive language instruction Katherine G. August, Nadine Blackwood, Michelle McNerney, Chi-Lin Shih, Arun Chandrasekaran Surendran +2 more 2006-12-12
6782363 Method and apparatus for performing real-time endpoint detection in automatic speech recognition Chin-Hui Lee, Jinsong Zheng, Qiru Zhou 2004-08-24 $7,215,000
6701291 Automatic speech recognition with psychoacoustically-based feature extraction, using easily-tunable single-shape filters along logarithmic-frequency axis Olivier Siohan, Frank Kao-Ping Soong 2004-03-02 $24,172,000
6519563 Background model design for flexible and portable speaker verification systems Chin-Hui Lee, Olivier Siohan, Arun Chandrasekaran Surendran 2003-02-11 $8,140,000
5995927 Method for performing stochastic matching for use in speaker verification 1999-11-30 $65,362,000