Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008634 | Tool steel having strength and high impact toughness | Min Ha Lee, Chae-Ho Lim, Song Yi Kim, Jin-Gu Han | 2021-05-18 |
| 9871259 | Method for manufacturing composite ceramic material | Sang Moo Han, Do Hyeong Kim | 2018-01-16 |
| 5634990 | Fe-Mn vibration damping alloy steel and a method for making the same | Chong-Sool Choi, Man-Eob Lee, Seung-han Baek, Yong-Chul Son, Jeong Cheol Kim +1 more | 1997-06-03 |