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USPTO Patent Rankings Data through Sept 30, 2025
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Chang Lei — 3 Patents in 2021

IBM: 3 patents #2,072 of 11,638Top 20%
Overall (2021): #87,718 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11132502 Atom-based sensible synchronization for information indexing Ye Chen, Zhen Hong Ding, Wen Juan Nie, Yi-Hsiu Wei, Ting Wu +2 more 2021-09-28
10984190 Atom-based sensible synchronization for information indexing Ye Chen, Zhen Hong Ding, Wen Juan Nie, Yi-Hsiu Wei, Ting Wu +2 more 2021-04-20
10921133 Location calibration based on movement path and map objects Jian Zhang, Hu Wang, Cheng Zhang, Chuang Cao, Shuan Shuan Chen +1 more 2021-02-16