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

Dafeng Ou — 3 Patents

Meta: 3 patents #2,232 of 6,845Top 35%
San Leandro, CA: #194 of 574 inventorsTop 35%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Dafeng Ou has been granted 3 US patents while listed as an inventor at Meta. The first was granted in 2021 and the most recent in August 2025. Dafeng Ou ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Dafeng Ou in San Leandro, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12395470 Ephemeral messaging in a decentralized end-to-end encrypted messaging platform Jimmy Enrico Jacques Holzer, Kevin Matthew Christensen, Shalini Sah, Santiago Pina Ros, Elton Kyin-Fong Leong +2 more 2025-08-19
11646985 Utilizing encrypted ephemeral messages to modify ephemeral message duration settings Santiago Pina Ros, Jimmy Enrico Jacques Holzer, Shalini Sah, Elton Kyin-Fong Leong, Christopher Luc +2 more 2023-05-09
11115363 Utilizing encrypted ephemeral messages to modify ephemeral message duration settings Santiago Pina Ros, Jimmy Enrico Jacques Holzer, Shalini Sah, Elton Kyin-Fong Leong, Christopher Luc +2 more 2021-09-07