Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10539916 | Image forming apparatus and lubricant application device | — | 2020-01-21 |
| 10481517 | Cleaning member, charging device, and image forming apparatus | Ken Ozaki | 2019-11-19 |
| 10423092 | Cleaning member, charging device, and image forming apparatus | Ken Ozaki | 2019-09-24 |
| 10175624 | Image forming apparatus including a charging member configured to rotate at a peripheral velocity different from a peripheral velocity at which an image carrier rotates | Ken Ozaki | 2019-01-08 |
| 10036972 | Charger and image forming apparatus | — | 2018-07-31 |
| 9823599 | Light guide body, static elimination device, and image forming apparatus | Hirotaka Tanaka, Tsutomu Sugimoto, Ken Ozaki | 2017-11-21 |
| 9678456 | Image forming unit and image forming apparatus | — | 2017-06-13 |
| 9436116 | Charging device and image forming apparatus | — | 2016-09-06 |
| 9383674 | Conducting brush and image forming device | — | 2016-07-05 |
| 9110400 | Charging member, charging device, detachable body, and image forming apparatus | Noriaki Kojima, Yoshinori Takahashi, Kei Tanaka | 2015-08-18 |
| 9025993 | Cleaning brush, charging device, and image forming apparatus | Hirotaka Tanaka, Ken Ozaki | 2015-05-05 |
| 8737883 | Charging device and image forming apparatus | — | 2014-05-27 |
| 8718497 | Charging device and image forming apparatus | — | 2014-05-06 |
| 8611773 | Image-forming apparatus | — | 2013-12-17 |
| 8526852 | Electrostatic charging apparatus, image forming apparatus, electrostatic charging method and image forming method | — | 2013-09-03 |
| 8285177 | Charging device and image forming apparatus | — | 2012-10-09 |
| 7792462 | Image formation apparatus with toner retention member | Koya Tanaka | 2010-09-07 |
| 7756462 | Image forming apparatus and cleaning device | Makoto Sakanobe, Yoshitaka Kuroda, Kanji Shintaku, Satoshi Shigezaki | 2010-07-13 |
| 7603058 | Image formation apparatus with residue toner charging section with nonwoven fabric | Koya Tanaka | 2009-10-13 |
| 7587164 | Cleaning device, image carrier unit and image-forming apparatus | — | 2009-09-08 |
| 7471924 | Cleaning unit and image forming apparatus | Satoshi Shigezaki, Hiroe Okuyama, Makoto Sakanobe, Kanji Shintaku, Satoya Sugiura +2 more | 2008-12-30 |
| 5842081 | Method and apparatus for charging an electrographic photoreceptor | Yoichi Kaname, Akio Arai, Ryuji Katsuno, Yasutomo Ishii, Yoshitaka Kuroda | 1998-11-24 |