Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11061319 | Photomask blank and making method | Takuro Kosaka, Shigeo Irie, Takahiro KISHITA | 2021-07-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11061319 | Photomask blank and making method | Takuro Kosaka, Shigeo Irie, Takahiro KISHITA | 2021-07-13 |