Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059503 | Electrophotosensitive material with combination of charge transfer materials | Nariaki Muto, Tatsuo Maeda, Mikio Kakui, Keisuke Sumida, Toru Nakazawa | 1991-10-22 |
| 5004662 | Electrophotographic photosensitive material containing m-phenylenediamine compound | Nariaki Mutoh, Yasuyuki Hanatani | 1991-04-02 |
| 4965155 | Organic photoconductive material for electrophotography | Mika Yamamura | 1990-10-23 |
| 4885369 | Photoconductive material for electrophotography comprising rhodanine derivative charge complex | Toshiyuki Uryu | 1989-12-05 |