Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187974 | Photomask blank, photomask, and photomask manufacturing method | Yoshifumi Sakamoto, Yosuke Kojima | 2021-11-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187974 | Photomask blank, photomask, and photomask manufacturing method | Yoshifumi Sakamoto, Yosuke Kojima | 2021-11-30 |