Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JD

John Drewery

Lam Research: 5 patents #5 of 349Top 2%
San Jose, CA: #500 of 6,693 inventorsTop 8%
California: #3,968 of 66,859 inventorsTop 6%
Overall (2021): #31,736 of 548,734Top 6%
5 Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11049726 Methods and systems for advanced ion control for etching processes Zhongkui Tan, Qian Fu, Ying Wu, Qing Xu 2021-06-29
11031215 Vacuum pump protection against deposition byproduct buildup Tom A. Kamp, Haoquan Yan, John Daugherty, Ali Sucipto Tan, Ming-Kuei Tseng +1 more 2021-06-08
10957561 Gas delivery system Yoshie Kimura, James H. Adams, Yoko Yamaguchi Adams, Tony Zemlock 2021-03-23
10950454 Integrated atomic layer passivation in TCP etch chamber and in-situ etch-ALP method Xiang Zhou, Tom A. Kamp, Yoshie Kimura, Duming Zhang, Chen Xu +1 more 2021-03-16
10943789 Methods and systems for advanced ion control for etching processes Zhongkui Tan, Qian Fu, Ying Wu, Qing Xu 2021-03-09