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

Waiching Chow — 2 Patents

Applied Materials: 2 patents #3,641 of 7,310Top 50%
Fremont, CA: #5,063 of 9,298 inventorsTop 55%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,178,586 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6872322 Multiple stage process for cleaning process chambers Raney Williams, Thorsten Lill, Arthur Y. Chen 2005-03-29
6379575 Treatment of etching chambers using activated cleaning gas Gerald Yin, Xue-Yu Qian, Patrick Leahey, Jonathan D. Mohn, Arthur Y. Chen +2 more 2002-04-30