Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617051 | Organic electroluminescence device | Toshio Sakai, Chishio Hosokawa | 2003-09-09 |
| 6534199 | Organic electroluminescence device and organic light emitting medium | Chishio Hosokawa, Kenichi Fukuoka, Hidetsugu Ikeda | 2003-03-18 |
| 6531234 | Organic electroluminescence device and method of its manufacture | Toshio Sakai, Chishio Hosokawa | 2003-03-11 |