Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131920 | Photomask blank, and method of manufacturing photomask | Yukio Inazuki, Kouhei Sasamoto | 2021-09-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131920 | Photomask blank, and method of manufacturing photomask | Yukio Inazuki, Kouhei Sasamoto | 2021-09-28 |