Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041237 | Vapor deposition mask, vapor deposition mask preparation body, method for producing vapor deposition mask, and method for producing organic semiconductor element | Toshihiko Takeda, Katsunari Obata | 2021-06-22 |
| 10982317 | Vapor deposition mask, vapor deposition mask preparation body, method for producing vapor deposition mask, and method for producing organic semiconductor element | Katsunari Obata, Toshihiko Takeda, Hiroshi Kawasaki, Hiroyuki Nishimura, Atsushi Maki +1 more | 2021-04-20 |