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

Dawei Qian — 2 Patents

Amazon: 2 patents #7,232 of 19,158Top 40%
Beijing, CN: #11,144 of 27,914 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dawei Qian has been granted 2 US patents while listed as an inventor at Amazon. The first was granted in 2015 and the most recent in October 2017. Dawei Qian ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dawei Qian in Beijing, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9785664 Gathering transaction data associated with locally stored data files Xiangdong Liang, Chia-Hao Chang, Jin-Sheng Lai 2017-10-10 $43,908,000
9087071 Gathering transaction data associated with locally stored data files Xiangdong Liang, Chia-Hao Chang, Jin-Sheng Lai 2015-07-21 $59,589,000