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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Cheung — 1 Patent in 2021

Lam Research: 1 patents #103 of 349Top 30%
Foster City, CA: #204 of 505 inventorsTop 45%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #486,904 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11062897 Metal doped carbon based hard mask removal in semiconductor fabrication Yongsik Yu, Kirk Ostrowski, Nikkon Ghosh, Karthik S. Colinjivadi, Samantha Tan +2 more 2021-07-13 $378,432,000