Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993494 | Method for manufacturing triarylpyrazine derivative | Hideko Inoue | 2011-08-09 |
| 7927720 | Quinoxaline derivative and light-emitting element, light-emitting device, and electronic device using quinoxaline derivative | Hiroshi Kadoma, Sachiko Kawakami, Satoko Shitagaki, Satoshi Seo | 2011-04-19 |