Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533232 | Electrophotographic process | Naoto Fujimura, Akihiro Sonobe, Toshiyuki Yoshihara, Takashi Tanaka, Masaki Kuribayashi | 1985-08-06 |
| 4427753 | Electrophotographic photosensitive member with disazo or trisazo compound | Naoto Fujimura, Takashi Tanaka, Takeshi Fujita, Masakazu Matsumoto, Yoshio Takasu +1 more | 1984-01-24 |
| 4399208 | Electrophotographic photosensitive member | Yoshio Takasu, Kiyoshi Sakai, Minoru Mabuchi, Shozo Ishikawa | 1983-08-16 |