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

Tianchen Li — 3 Patents

Amazon: 2 patents #7,232 of 19,158Top 40%
Sunnyvale, CA: #6,613 of 14,302 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
Tianchen Li has been granted 3 US patents while listed as an inventor at Amazon. The first was granted in 2023 and the most recent in May 2025. Tianchen Li ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Tianchen Li in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12298430 Radar unit temperature gain control Karthik Kumar, Morris Yuanhsiang Hsu 2025-05-13
12239456 Millimeter wave radar system for sleep monitoring Giovanni Mata Magana, Evan Fletcher Dougal, Alexander David Savello, Ennzhi Chew 2025-03-04
11620422 Water supply simulation method and tool for interlaced system of river system and canal system based on groundwater model Chuiyu Lu, Qingyan Sun, Xin He, Lingjia Yan, Tao Qin +3 more 2023-04-04