Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7077912 | Semiconductor manufacturing system | Jeong Ho Yoo | 2006-07-18 |
| 4971512 | Transport device for wafers of variable diameter | Sang Soo Lee, Bong-Kyun Kang, Hyoung Jin Yoo | 1990-11-20 |