Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371577 | Ozone filter used in electrophotographic apparatus including catalyst of CuO, MnO.sub.2, and a water-soluble polymer | Naoto Fujimura, Koji Yamazaki, Kiyoshi Sakai, Teigo Sakakibara | 1994-12-06 |
| 5079117 | Electrophotographic photosensitive member with electrical conductor containing polyether-polyurethane layer | Takashi Koyama, Hideki Anayama, Yuichi Hashimoto, Kiyoshi Sakai, Teigo Sakakibara +2 more | 1992-01-07 |