Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372863 | Photomask blank, method for producing photomask, and photomask | Ryusei Terashima | 2025-07-29 |
| 12197121 | Phase shift mask blank, manufacturing method of phase shift mask, and phase shift mask | Shohei Mimura, Takuro Kosaka | 2025-01-14 |