Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Sam Do Lee — 2 Patents

Lam Research: 2 patents #1,028 of 2,128Top 50%
Fremont, CA: #5,132 of 9,298 inventorsTop 60%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Sam Do Lee has been granted 2 US patents while listed as an inventor at Lam Research. The first was granted in 2008 and the most recent in May 2023. Sam Do Lee ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Sam Do Lee in Fremont, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11646207 Silicon oxide silicon nitride stack stair step etch Ce Qin, Zhongkui Tan, Qian Fu 2023-05-09 $303,107,000
7413992 Tungsten silicide etch process with reduced etch rate micro-loading Sok Tan, Shenjian Liu, Harmeet Singh, Linda Fung-Ming Lee 2008-08-19 $9,525,000