Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7885566 | Toner consumption-calculating apparatus, image forming apparatus, and toner consumption calculating method | Rumi Konishi, Kenichi Ono, Akihiro Kawasaki, Yoshiko Ogawa | 2011-02-08 |