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

Zirong Dou — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Lishui, CN: #30 of 69 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Zirong Dou has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2023 and the most recent in July 2024. Zirong Dou ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Zirong Dou in Lishui, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1035067 Overhead light 2024-07-09
D1000675 Side reading light 2023-10-03