Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506525 | Method of repairing an opaque defect in a photomask | Yo Han Choi | 2003-01-14 |
| 5804339 | Fidelity ratio corrected photomasks and methods of fabricating fidelity ratio corrected photomasks | — | 1998-09-08 |
| 5102836 | Ceramic materials with low thermal conductivity and low coefficients of thermal expansion | Jesse J. Brown, Deidre Hirschfeld, Dean-Mo Liu, Yaping Yang, Tingkai Li +2 more | 1992-04-07 |