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

Liqin Shen — 3 Patents

Microsoft: 2 patents #17,644 of 40,388Top 45%
IBM: 1 patents #44,878 of 70,183Top 65%
Beijing, CN: #8,405 of 27,914 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Liqin Shen has been granted 3 US patents while listed as an inventor at Microsoft. The first was granted in 2009 and the most recent in March 2013. Liqin Shen ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Liqin Shen in Beijing, CN.

Patents per Year

Patents granted per year, 2009 to 2013Bar chart with a peak of 1 patents in 2009.peak 12009: 1 patents20092011: 1 patents20112013: 1 patents2013

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8401861 Generating a frequency warping function based on phoneme and context Shuang Zhi Wei, Raimo Bakis, Ellen M. Eide 2013-03-19 $26,207,000
7899672 Method and system for generating synthesized speech based on human recording Yong Qin, Wei Zhang, Weibin Zhu 2011-03-01 $32,279,000
7478036 Method and system for automatically extracting new word Qin Shi, Haixin Chai 2009-01-13 $4,505,000