Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624442 | Method of forming p-n junction on ZnO thin film and p-n junction thin film | Sang-Yeol Lee | 2003-09-23 |
| 6549023 | Apparatus for measuring the focus of a light exposure system used for fabricating a semiconductor device | — | 2003-04-15 |