Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226928 | Laminated photosensitive material for electrophotography | Toru Nakazawa, Tatsuo Aizawa | 1980-10-07 |
| 4214907 | Photosensitive material for electrophotography having a polyvinyl carbazole derivative, phthalocyanine, and an electron-acceptor | Toru Nakazawa, Tatsuo Aizawa | 1980-07-29 |