Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11437578 | Method for producing frame-equipped vapor deposition mask, stretching apparatus, apparatus for producing organic semiconductor device and method for producing organic semiconductor device | Katsunari Obata, Toshihiko Takeda, Hideyuki Okamoto | 2022-09-06 |