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USPTO Patent Rankings Data through Dec 31, 2025
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Seul Ki Ahn — 3 Patents

Applied Materials: 3 patents #3,025 of 7,310Top 45%
San Jose, CA: #14,697 of 32,062 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Seul Ki Ahn has been granted 3 US patents while listed as an inventor at Applied Materials. The first was granted in 2017 and the most recent in March 2025. Seul Ki Ahn ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Seul Ki Ahn in San Jose, CA, US.

Patents per Year

Patents granted per year, 2017 to 2025Bar chart with a peak of 1 patents in 2017.peak 12017: 1 patents20172022: 1 patents20222025: 1 patents2025

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12255055 Integrated cleaning process for substrate etching Yi Zhou, Seung-Young Son, Li-Te Chang, Sunil Srinivasan, Rajinder Dhindsa 2025-03-18
11521838 Integrated cleaning process for substrate etching Yi Zhou, Seung-Young Son, Li-Te Chang, Sunil Srinivasan, Rajinder Dhindsa 2022-12-06 $44,170,000
9653311 3D NAND staircase CD fabrication utilizing ruthenium material Seung-Young Son, Gill Yong Lee 2017-05-16 $17,932,000

Frequent Collaborators

Seung-Young Son3 shared
Li-Te Chang2 shared
Yi Zhou2 shared
Sunil Srinivasan2 shared
Rajinder Dhindsa2 shared
Gill Yong Lee1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3