Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178688 | Carburized boron steels for gears | In-seok Yu, Yong-gueon Ji | 1993-01-12 |
GK
Gang-hyeong Kim
Overall (All Time): #3,815,158 of 4,157,543Top 95%
1
Patents All Time