Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005881 | Method of lithography | Ching-Yu Chang | 2015-04-14 |
| 8609325 | Method of lithography | Ching-Yu Chang | 2013-12-17 |
| 8323870 | Method and photoresist with zipper mechanism | Ching-Yu Chang | 2012-12-04 |