Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9625807 | Mask blank, transfer mask, method of manufacturing a mask blank, method of manufacturing a transfer mask and method of manufacturing a semiconductor device | Hiroaki Shishido, Atsushi Kominato, Osamu Nozawa | 2017-04-18 |