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

John Parks

Lam Research: 27 patents #85 of 2,128Top 4%
Applied Materials: 4 patents #2,506 of 7,310Top 35%
Hercules, CA: #8 of 152 inventorsTop 6%
California: #16,431 of 386,348 inventorsTop 5%
Overall (All Time): #119,221 of 4,157,543Top 3%
31 Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
7153388 Chamber for high-pressure wafer processing and method for making the same 2006-12-26
7089687 Wafer edge wheel with drying function 2006-08-15
6841006 Atmospheric substrate processing apparatus for depositing multiple layers on a substrate Michael Barnes, Michael S. Cox, Canfeng Lai 2005-01-11
6712020 Toroidal plasma source for plasma processing Michael S. Cox, Canfeng Lai, Robert B. Majewski, David Wanamaker, Christopher T. Lane +2 more 2004-03-30
6418874 Toroidal plasma source for plasma processing Michael S. Cox, Canfeng Lai, Robert B. Majewski, David Wanamaker, Christopher T. Lane +2 more 2002-07-16
6176198 Apparatus and method for depositing low K dielectric materials Yeh-Jen Kao, Fong Chang, Robert B. Majewski, David Wanamaker, Yen-Kun Wang 2001-01-23