Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10551733 | Mask blanks, phase shift mask, and method for manufacturing semiconductor device | Osamu Nozawa | 2020-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10551733 | Mask blanks, phase shift mask, and method for manufacturing semiconductor device | Osamu Nozawa | 2020-02-04 |