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

Ki Yong Chang

Seoul, KR: #3,115 of 8,035 inventorsTop 40%
Overall (2024): #383,418 of 561,600Top 70%
1 Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1016857 Hand pump 2024-03-05