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

James E. Tappan — 2 Patents in 2018

Lam Research: 2 patents #97 of 426Top 25%
Fremont, CA: #373 of 1,677 inventorsTop 25%
California: #12,239 of 60,411 inventorsTop 25%
Overall (2018): #139,426 of 503,207Top 30%
2 Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10049862 Chamber with vertical support stem for symmetric conductance and RF delivery Daniel Arthur Brown, John Holland, Michael C. Kellogg, Jerrel K. Antolik, Ian Kenworthy +2 more 2018-08-14
10037869 Plasma processing devices having multi-port valve assemblies Daniel Arthur Brown, Michael C. Kellogg, Leonard J. Sharpless, Allan K. Ronne 2018-07-31