Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10770691 | Production method of organic EL device | Takaaki Okamoto | 2020-09-08 |
| 10660249 | Separate installation-type reel holding device | Tsutomu Kunihiro | 2020-05-19 |
| 10600984 | Production method of organic EL device | Takaaki Okamoto | 2020-03-24 |