Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10782608 | Method for preparing photomask blank, photomask blank, method for preparing photomask, photomask, and metallic chromium target | Yukio Inazuki, Kouhei Sasamoto | 2020-09-22 |