Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489489 | Organic electroluminescent device | Toshio Sakai, Hiroaki Nakamura, Hisayuki Kawamura, Chishio Hosokawa | 2002-12-03 |
| 6406804 | Organic electroluminescent device | Chishio Hosokawa | 2002-06-18 |