Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9799850 | Organic EL device | Yoichi Shintani, Tatsuhiro Tomiyama | 2017-10-24 |
| 9780334 | Organic EL device having a hygroscopic layer | Yoichi Shintani, Tatsuhiro Tomiyama | 2017-10-03 |