Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025987 | Light emitting polymer material, organic electroluminescence device and display device comprising light emitting polymer material | Yoshiaki Takahashi | 2011-09-27 |
| 7872411 | Organic electroluminescence device using a copolymer and a phosphorescent compound | Yoshiaki Takahashi, Tamami Koyama | 2011-01-18 |