Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10026918 | White light emitting organic EL panel and method for producing same | Hirotaka Umezaki | 2018-07-17 |
| 8987726 | Organic electroluminescent element | Masami Nishida, Nobuhito Miura, Toshio Matsumoto, Hirotaka Umezaki | 2015-03-24 |
| 8664647 | Organic electroluminescent element | Masami Nishida, Nobuhito Miura, Toshio Matsumoto, Hirotaka Umezaki | 2014-03-04 |