Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336379 | Photoelectro-chemical etching method and apparatus of compound semiconductor | Ji H. Chung, Doo Hee Lee, Sang-Gyu Byeon | 1994-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336379 | Photoelectro-chemical etching method and apparatus of compound semiconductor | Ji H. Chung, Doo Hee Lee, Sang-Gyu Byeon | 1994-08-09 |