Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699169 | Image forming apparatus wherein data is converted between multi-level data and bi-level data | Keiji Nakatani, Masamichi Sugiura, Munehiro Nakatani | 1997-12-16 |
| 5673116 | Image forming apparatus wherein data is converted between multi-level data and bi-level data | — | 1997-09-30 |