Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10394165 | Developing device carrying liquid developer | — | 2019-08-27 |
| 10372056 | Image forming apparatus having grid electrode with opening and non-opening portions | Kunihiko Kitayama | 2019-08-06 |
| 9223278 | Image forming apparatus that performs gradation correction | Sumito Tanaka | 2015-12-29 |
| 9069314 | Image forming apparatus with increased development efficiency and control method | — | 2015-06-30 |
| 8121499 | Image forming apparatus | — | 2012-02-21 |
| 7990576 | Image forming apparatus | — | 2011-08-02 |
| 7750929 | Method for controlling image forming apparatus | — | 2010-07-06 |
| 7729646 | Image forming apparatus | Akihiro Noguchi | 2010-06-01 |
| 7245864 | Color image forming apparatus in which toner on intermediate transfer member having predetermined range of loss tangent is removed by blade member | — | 2007-07-17 |
| 7050729 | Image forming apparatus | — | 2006-05-23 |
| 6832059 | Image forming apparatus featuring dual polarity, multiple timing bias applying means | — | 2004-12-14 |
| 6438333 | Image forming apparatus with reduced transfer current to transfer material rear end | Toru Katsumi, Shinya Suzuki | 2002-08-20 |
| 6415130 | Image forming apparatus with curling and recurling means | Toru Katsumi, Shinya Suzuki | 2002-07-02 |
| 6289199 | Image forming apparatus provided with separation member to which AC voltage is applied | — | 2001-09-11 |
| 6173150 | Separation charger for an image forming apparatus | Shinya Suzuki, Toru Katsumi | 2001-01-09 |
| 6141527 | Image forming apparatus having separating member with bias | — | 2000-10-31 |