Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359178 | Apparatus for detecting turn-on state of plural heat lamps of a thermal fixing unit of a copying machine | Keiji Yoshida | 1994-10-25 |
| 5285242 | Image forming apparatus controlled according to changing sensitivity of photoconductor | — | 1994-02-08 |