Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MA

Marcellin A. Akpa

SOSony: 4 patents #8,966 of 25,231Top 40%
San Diego, CA: #11,944 of 23,606 inventorsTop 55%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,244,625 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6161021 Remote notification control in wireless communication device 2000-12-12
5914676 Multi-language display keypad 1999-06-22