Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819885 | Developer collection vessel and image formation apparatus | — | 2004-11-16 |
| 6782235 | Image formation apparatus and developer collection vessel used therewith | Katsumi Harumoto, Kouji Hamabe | 2004-08-24 |