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

David Qiu — 2 Patents

Google: 2 patents #10,599 of 22,993Top 50%
Fremont, CA: #5,132 of 9,298 inventorsTop 60%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Qiu has been granted 2 US patents while listed as an inventor at Google. The first was granted in 2023 and the most recent in September 2025. David Qiu ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Qiu in Fremont, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12424206 Context-aware neural confidence estimation for rare word speech recognition Tsendsuren Munkhdalai, Yanzhang He, Khe Chai Sim 2025-09-23
11610586 Learning word-level confidence for subword end-to-end automatic speech recognition Qiujia Li, Yanzhang He, Yu Zhang, Bo Li, Liangliang Cao +6 more 2023-03-21 $89,540,000