Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8808950 | Electrophotographic photoreceptor, method for manufacturing the same, and electrophotographic photoreceptor unit, replaceable image-forming unit, and image-forming apparatus including the same | Yuichi Fujisawa, Keiichi Aoyagi | 2014-08-19 |
| 8755710 | Cleaning member including strip shaped body, cleaning device, and image forming apparatus including the same | Keiichi Aoyagi, Tomonori Sato, Yuya Kato | 2014-06-17 |
| 8679722 | Method for producing photoreceptor and process cartridge and image-forming apparatus including photoreceptor | Keiichi Aoyagi | 2014-03-25 |
| 8639132 | Developer recovery container including a conveying unit including a pipe and image forming apparatus comprising the developer recovery container | Tomonori Sato | 2014-01-28 |
| 8145090 | Cleaning device of wire, charging device using the same and image forming apparatus | — | 2012-03-27 |
| 7623806 | Charging device and image forming apparatus | — | 2009-11-24 |