Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11063223 | Organic electron transport material and organic electroluminescent element using same | Masataka Watanabe, Masanobu Kotsubo, Tomoko Fukushima, Izumi Maki | 2021-07-13 |
| 11031561 | Organic electron transport material and organic electroluminescent element using same | Tsuyoshi Hayashida, Masataka Watanabe, Masanobu Kotsubo, Izumi Maki | 2021-06-08 |