Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9372393 | Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device | Osamu Nozawa, Hiroyuki Iwashita, Masahiro Hashimoto | 2016-06-21 |
| 9256122 | Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device | Masahiro Hashimoto, Osamu Nozawa | 2016-02-09 |