Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10273569 | Metal mask substrate, metal mask substrate control method, metal mask, and metal mask production method | Sumika Tamura, Naoko Mikami, Daisei Fujito, Kiyoaki Nishitsuji | 2019-04-30 |