Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Sung-Il Chang — 2 Patents in 2021

Samsung: 2 patents #3,975 of 16,990Top 25%
Gyeongsan-si, KR: #5 of 41 inventorsTop 15%
Overall (2021): #109,113 of 548,734Top 20%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11152390 Vertical semiconductor devices and methods of manufacturing the same Jun-Hee Lim, Yong Seok Kim, Tae-Young Kim, Jae-Sung Sim, Su-Jin Ahn +1 more 2021-10-19
11107833 Semiconductor devices Changhyun Lee, Chanjin Park, Byoungkeun Son 2021-08-31