Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629117 | Electrophotosensitive material | Masashi Tanaka, Ichiro Yamazato, Yuka Nakamura | 1997-05-13 |
| 5600422 | Image-forming apparatus employing a reversal developing system | Toshiyuki Fukami, Masashi Tanaka, Hideo Nakamori | 1997-02-04 |