Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777148 | Organic photoconductive material and electrophotographic photoreceptor using the material | Koichi Torizuka | 2004-08-17 |
| 5945242 | Electrophotographic photoreceptor containing hydrazone | Tomoko Taniguchi | 1999-08-31 |
| 5089366 | Novel hydrazone compound in an electrophotographic receptor | Kozo Haino, Akira Itoh, Makoto Okaji, Kazuhiro Emoto, Kazuchiyo Takaoka | 1992-02-18 |
| 5013623 | Electrophotographic photoreceptor with stilbene compound | Akira Itoh, Kozo Haino, Makoto Okaji, Kazuhiro Emoto | 1991-05-07 |