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

Qing Du — 3 Patents

Oracle: 3 patents #4,054 of 14,854Top 30%
Pleasanton, CA: #1,419 of 3,062 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Qing Du has been granted 3 US patents while listed as an inventor at Oracle. The first was granted in 2014 and the most recent in September 2022. Qing Du ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Qing Du in Pleasanton, CA, US.

Patents per Year

Patents granted per year, 2014 to 2022Bar chart with a peak of 1 patents in 2014.peak 12014: 1 patents20142015: 1 patents20152022: 1 patents2022

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11449952 Efficiently modeling database scenarios for later use on live data Chi Ken Yeung, Ravi Shankar, Sondhi, Amira A. Morcos, Eva Kifri +3 more 2022-09-20 $99,004,000
9208527 General ledger (GL) journal delete/accounting line reversal web service Wansan Tam, Chi Ken Yeung, Jason Aron Alonzo, Kottresh Kogali, Amarnath Molugu +2 more 2015-12-08 $40,544,000
8645234 General ledger chart of accounts combination editing request response Chi Ken Yeung, Wansan Tam, Jason Aron Alonzo 2014-02-04 $32,684,000