Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678136 | Image forming apparatus with charging member supplied with first and second DC voltages of opposite polarities | Osamu Watanabe, Hiroshi Matsumoto, Sorin Den | 1997-10-14 |
| 5612115 | Metal-deposited polyester film capacitor | Shin-ichi Kinoshita, Hisayoshi Watanabe | 1997-03-18 |