Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366811 | Organic electroluminescence device | Hisahiro Higashi, Chishio Hosokawa | 1994-11-22 |
| 5336546 | Organic electroluminescence device | Yoshio Hironaka, Chishio Hosokawa, Tadashi Kusumoto | 1994-08-09 |