Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Li Ma — 2 Patents in 2016

IBM: 2 patents #2,870 of 10,295Top 30%
Beijing, GA: #6 of 21 inventorsTop 30%
Overall (2016): #121,105 of 481,213Top 30%
2 Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9317555 Query method for a distributed database system and query apparatus Yi Jin, Lei Li, Chun E. Ma, Bo Yang, Ying Zhou 2016-04-19
9244999 Database query using a user-defined function Yi Jin, Lei Li, Chun E. Ma 2016-01-26