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

Yeonghwan Ko

Samsung: 2 patents #37,631 of 75,807Top 50%
Yongin-si, KR: #5,590 of 9,683 inventorsTop 60%
Overall (All Time): #1,819,480 of 4,157,543Top 45%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11786990 Laser etching apparatus and laser etching method using the same Jooseob Ahn, Taekil Oh, Gyoowan Han, Yoongyeong Bae 2023-10-17
11752577 Laser apparatus and substrate etching method using the same Taekil Oh, Gyoowan Han, Jooseob Ahn, Yoongyeong Bae 2023-09-12