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

Kaiwen Qu — 6 Patents

Amazon: 6 patents #2,730 of 19,158Top 15%
Seattle, WA: #5,013 of 21,776 inventorsTop 25%
Washington: #16,995 of 76,902 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Kaiwen Qu has been granted 6 US patents while listed as an inventor at Amazon. The first was granted in 2020 and the most recent in April 2025. Kaiwen Qu ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Kaiwen Qu in Seattle, WA, US.

Patents per Year

Patents granted per year, 2020 to 2025Bar chart with a peak of 3 patents in 2020.peak 32020: 3 patents20202023: 1 patents20232024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12271376 Generating metadata from a scan of a data object in an object store for performing subsequent queries to the data object Ning Liao, Fusheng Yuan 2025-04-08
12118122 Masking sensitive information in records of filtered accesses to unstructured data Ning Liao, Josef Schiefer, Karishma Chawla, Ruiwen Zhao, Michael Banfield +1 more 2024-10-15 $694,739,000
11625501 Masking sensitive information in records of filtered accesses to unstructured data Ning Liao, Josef Schiefer, Karishma Chawla, Ruiwen Zhao, Michael Banfield +1 more 2023-04-11 $194,427,000
10803197 Masking sensitive information in records of filtered accesses to unstructured data Ning Liao, Josef Schiefer, Karishma Chawla, Ruiwen Zhao, Michael Banfield +1 more 2020-10-13 $240,479,000
10664508 Server-side filtering of unstructured data items at object storage services Douglas Stewart Laurence, Ning Liao, Josef Schiefer, Sameer Choudhary, Ruiwen Zhao +2 more 2020-05-26 $142,951,000
10650032 Filtering pipeline optimizations for unstructured data Douglas Stewart Laurence, Karmveer Veer Singh, Ning Liao, Josef Schiefer, Michael Banfield +6 more 2020-05-12 $151,825,000