Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9575438 | Image forming device | Takuya Okada, Takashi Kawanago | 2017-02-21 |
| 9417595 | Image forming apparatus | Takuya Okada, Takashi Kawanago | 2016-08-16 |
| 9008539 | Cleaning device | — | 2015-04-14 |
| 8285164 | Developing device, and controlling method thereof | Tomoyuki Imura, Kazuhiro Saito, Takuya Okada, Takuya Sasaki, Chikara Tsutsui | 2012-10-09 |
| 8280268 | Developing device, and controlling method thereof | Tomoyuki Imura, Kazuhiro Saito, Takuya Okada, Takuya Sasaki, Chikara Tsutsui | 2012-10-02 |
| 8050602 | Developing device and image forming apparatus equipped with the same | — | 2011-11-01 |
| 7835676 | Developing apparatus image forming apparatus, and method of charging a developer using charging particles | Hiroshi Goto, Chikara Tsutsui | 2010-11-16 |
| 6845222 | IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS FOR SUPPRESSING MOVEMENT OF DEVELOPER ONTO THE ELECTROSTATIC LATENT IMAGE CARRIER WHEN THE VOLTAGES APPLIED TO THE CHARGING AND DEVELOPING DEVICES ARE RAISED OR LOWERED | — | 2005-01-18 |