Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173734 | Image forming apparatus using measured data to adjust the operation level | Tadafumi Shimizu, Masahide Ueda | 1992-12-22 |
| 4952982 | Copying apparatus and method | — | 1990-08-28 |