Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803120 | Organic electroluminescence device emitting white light | Sanae Tagami, Chishio Hosokawa | 2004-10-12 |
| 6803121 | Organic electroluminescence device | Toshio Sakai, Hiroshi Tokairin, Chishio Hosokawa | 2004-10-12 |
| 6713192 | Organic electroluminescence device and organic light emitting medium | Chishio Hosokawa | 2004-03-30 |