Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12353121 | Reflective mask blank, and reflective mask | Takuro Kosaka | 2025-07-08 |
| 12265321 | Reflective mask blank, and method for manufacturing reflective mask | Takuro Kosaka, Yukio Inazuki, Hideo Kaneko | 2025-04-01 |
| 12124162 | Substrate with film for reflective mask blank, reflective mask blank, and method for manufacturing reflective mask | Takuro Kosaka | 2024-10-22 |