Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6594451 | Image forming apparatus, and use situation reporting system for reporting use situations of developer and other consumables stowed in image forming apparatus | Tomomi Kakeshita, Hiroaki Ogata, Shinya Yamamoto | 2003-07-15 |
| 6546212 | Image forming apparatus and unit detachably attachable to the same image forming apparatus and information displaying system related to unit detachably attachable to the same image forming apparatus | Hiroaki Ogata, Shinya Yamamoto | 2003-04-08 |