YA

Yung-Wook Ahn

📍 Seoul, KR: #24,369 of 39,741 inventorsTop 65%
Overall (All Time): #3,489,939 of 4,157,543Top 85%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6790118 Block set for educational purposes — 2004-09-14