Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10095148 | Charging device including first and second cleaning members for cleaning a charging wire | Yusuke Kitagawa, Sadao Okano, Akiko Kimura | 2018-10-09 |
| 9851653 | Charging device and image forming apparatus including movable member to which cleaning member is attached | Yusuke Kitagawa, Akiko Kimura, Sadao Okano | 2017-12-26 |
| 9817329 | Charging device including cleaning member and image forming apparatus | Akiko Kimura, Sadao Okano, Yusuke Kitagawa | 2017-11-14 |
| 9791800 | Charging device and image forming apparatus having a rotation member with a spiral protrusion | Sadao Okano, Akiko Kimura, Yusuke Kitagawa | 2017-10-17 |
| 8526844 | Cleaning device and image forming apparatus | Yuzo Ichikawa | 2013-09-03 |
| 7835667 | Discharger, image carrier unit, and image forming apparatus | Shigeo Ohno, Tsutomu Sugimoto, Tomoya Ichikawa, Yoji Yamaguchi, Yoshitaka Kuroda +4 more | 2010-11-16 |
| 7769314 | Cleaning device and charging device, image holding unit and image forming apparatus using same | — | 2010-08-03 |
| 6684042 | Charging device and image forming apparatus using the same | Yuki Nagamori, Yutaka Kanai, Yasutomo Ishii | 2004-01-27 |