Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9705083 | Method for stretching vapor deposition mask, method for producing frame-equipped vapor deposition mask, method for producing organic semiconductor element, and stretching apparatus | Katsunari Obata, Hideyuki Okamoto, Toshihiko Takeda | 2017-07-11 |