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

Chengeng Zeng — 2 Patents

Amazon: 2 patents #7,232 of 19,158Top 40%
Edmonds, WA: #232 of 598 inventorsTop 40%
Washington: #35,700 of 76,902 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Chengeng Zeng has been granted 2 US patents while listed as an inventor at Amazon. The first was granted in 2023 and the most recent in December 2024. Chengeng Zeng ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Chengeng Zeng in Edmonds, WA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12159256 Location-based package visual delivery instructions Leah Autumn Thompkins 2024-12-03 $636,897,000
11790304 Models for early detection of delivery defects—expired delivery blocks Minghao Gai, Leah Autumn Thompkins 2023-10-17 $201,336,000