Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9054234 | Method of manufacturing nitride semiconductor device | Moon-sang Lee, Sung Soo Park, Dae Ho Yoon | 2015-06-09 |
| 4971512 | Transport device for wafers of variable diameter | Sang Soo Lee, Seung-Kap Park, Hyoung Jin Yoo | 1990-11-20 |