Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310423 | Developing unit having capability of efficiently exchanging developing powder | Masato Asanuma | 1994-05-10 |
| 5307123 | Developing unit having capability of preventing developing powder from being jammed around exhaust outlet | — | 1994-04-26 |