Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9880486 | Image forming apparatus with band-pass filters each having passband frequency that is integral multiple of charging bias frequency | — | 2018-01-30 |
| 9851670 | Image forming apparatus to suppress excessive interposing toner | Yasushi Takeuchi, Koji Arimura, Yusuke Ishida, Takanori Iida, Toshiyuki Yamada +2 more | 2017-12-26 |
| 8260163 | Image forming apparatus including control for removing electrical discharge product | Kenichi Shibuya | 2012-09-04 |