Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313359 | Excessive current preventing device for the contact charging of a photosensitive layer | Shinji Imagawa | 1994-05-17 |
| 5278612 | Apparatus for judging life of photoconductor | — | 1994-01-11 |