Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12122169 | Printer device ink ribbon saving determination | — | 2024-10-22 |
| 10934117 | Sheet processing apparatus and control method | — | 2021-03-02 |
| 10351375 | Sheet processing apparatus and control method | — | 2019-07-16 |
| 8765296 | Ionic liquid | Hajime Matsumoto, Naohiro Terasawa | 2014-07-01 |
| 7957664 | Image forming apparatus which determines billing amount | — | 2011-06-07 |
| 7835658 | Image forming apparatus which determines billing amount | — | 2010-11-16 |
| 6603949 | Apparatus and method for controlling the formation of an image with recovered and new toner | Shinichi Itoh, Tetsuo Katoh, Tatsuyuki Miura | 2003-08-05 |
| 6577824 | Apparatus and method for supplying new and recovered toner to a developing device | Shinichi Itoh, Tetsuo Katoh, Tatsuyuki Miura | 2003-06-10 |
| 6526252 | Apparatus and method for forming image | Shinichi Itoh, Tetsuo Katoh, Tatsuyuki Miura | 2003-02-25 |
| 6226471 | Image forming apparatus | — | 2001-05-01 |