Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807047 | Electro luminescence device and electrophotographic printing system using the same | Seii Sato, Masayuki Wakitani, Tadashi Hasegawa, Shoshin Miura, Shizuo Andoh +5 more | 1989-02-21 |