Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Shawming Ma — 7 Patents in 2021

BCBeijing E-Town Semiconductor Technology Co.: 7 patents #4 of 39Top 15%
MTMattson Technology: 7 patents #4 of 39Top 15%
Sunnyvale, CA: #110 of 3,062 inventorsTop 4%
California: #2,240 of 66,859 inventorsTop 4%
Overall (2021): #15,126 of 548,734Top 3%
7 Patents 2021

Issued Patents 2021

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11201036 Plasma strip tool with uniformity control Vladimir Nagorny, Dixit V. Desai, Ryan Pakulski 2021-12-14
11189464 Variable mode plasma chamber utilizing tunable plasma potential Stephen E. Savas 2021-11-30
11062912 Atomic layer etch process using plasma in conjunction with a rapid thermal activation process 2021-07-13
11049692 Methods for tuning plasma potential using variable mode plasma chamber Stephen E. Savas 2021-06-29
11039527 Air leak detection in plasma processing apparatus with separation grid Shuang Meng, Xinliang Lu, Hua Chung 2021-06-15
10950428 Method for processing a workpiece Ting Xie, Hua Chung, Xinliang Lu, Michael X. Yang 2021-03-16
10901321 Strip process for high aspect ratio structure Vijay M. Vaniapura, Li Hou 2021-01-26