Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Li Jun Ma — 1 Patent in 2020

IBM: 1 patents #5,490 of 11,274Top 50%
Overall (2020): #374,651 of 565,922Top 70%
1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10607601 Speech recognition by selecting and refining hot words Feng Jin, Wen Liu, Peng Cheng P P Zhu, Yong Qin, Qin Shi +1 more 2020-03-31