Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493516 | Toner container and method of determining abnormality of toner container | Yutaka Ban | 2002-12-10 |
| D466918 | Toner supplying cartridge for photocopier | Akihisa Shiozaki, Toshifumi Itabashi | 2002-12-10 |
| 6418290 | Developer agitating sheet and developer container | Tetuo Isomura, Yutaka Ban | 2002-07-09 |