Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12153338 | Mask blank, method for manufacturing transfer mask, and method for manufacturing semiconductor device | Hiroaki Shishido, Osamu Nozawa | 2024-11-26 |
| 12007684 | Mask blank, method of manufacturing imprint mold, method of manufacturing transfer mask, method of manufacturing reflective mask, and method of manufacturing semiconductor device | Osamu Nozawa, Hiroaki Shishido | 2024-06-11 |