Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411402 | Reflective mask blank, reflective mask, and method for manufacturing semiconductor device | Osamu Nozawa | 2025-09-09 |
| 12228852 | Reflective mask blank, reflective mask and method for manufacturing a semiconductor device | — | 2025-02-18 |