Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489489 | Organic electroluminescent device | Toshio Sakai, Hisahiro Higashi, Hiroaki Nakamura, Chishio Hosokawa | 2002-12-03 |
| 6437373 | Organic electroluminescence layer with oligomer hole injection layer | Toshio Sakai, Chishio Hosokawa | 2002-08-20 |
| 6416888 | Organic electroluminescent device and method of manufacture thereof | Hiroaki Nakamura, Chishio Hosokawa | 2002-07-09 |