Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Li Ma — 1 Patent in 2017

IBM: 1 patents #5,570 of 10,852Top 55%
Overall (2017): #333,567 of 506,227Top 70%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9563673 Query method for a distributed database system and query apparatus Yi Jin, Lei Li, Chun E. Ma, Bo Yang, Ying Zhou 2017-02-07 $2,910,000