Issued Patents 1994
Showing 1–1 of 1 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 |