Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10025231 | Transfer belt and image forming device | Nofumi Mizumoto, Shigeo Uetake, Eiji Tabata, Makiko Watanabe, Toshiya Natsuhara | 2018-07-17 |
| 9989877 | Transfer belt and image formation apparatus | Eiji Tabata, Makiko Watanabe, Nofumi Mizumoto, Shigeo Uetake, Toshiya Natsuhara | 2018-06-05 |
| 9983520 | Transfer belt and image forming apparatus | Eiji Tabata, Nofumi Mizumoto, Toshiya Natsuhara, Shigeo Uetake, Makiko Watanabe | 2018-05-29 |
| 9880481 | Liquid developer set | Naoki Yoshie, Yukiko Uno, Masaaki Oka | 2018-01-30 |
| 9753389 | Liquid developer | Masahiro Anno, Naoki Yoshie | 2017-09-05 |
| 8974996 | Liquid developer | Naoki Yoshie, Kenji Hayashi, Chiaki Yamada, Masahiro Anno, Yuya Kubo +1 more | 2015-03-10 |
| 8682223 | Image forming device for suppressing developer consumption | — | 2014-03-25 |
| 8660449 | Developer concentration adjustment apparatus, method for adjusting developer concentration, and image forming apparatus using the same | Atsuto Hirai, Kazuko Fukumoto | 2014-02-25 |
| 8630568 | Liquid development apparatus and cleaning method that control either a gap between a pool forming member and a supply roller or a supply rate of a cleaning liquid | Naoki Yoshie, Yuji Kamoda, Kazuko Fukumoto, Yasuo Shirodai, Eiji Tabata | 2014-01-14 |
| 8617782 | Liquid developer | Yuya Kubo, Masahiro Anno, Naoki Yoshie, Kenji Hayashi, Chiaki Yamada +1 more | 2013-12-31 |
| 8000640 | Image forming apparatus | Eiji Tabata, Masahiko Matsuura | 2011-08-16 |
| 7970300 | Image forming apparatus having toner charge amount control | Eiji Tabata, Masahiko Matsuura | 2011-06-28 |
| 6909868 | Brush charger for static-charging a photosensitive member and image forming apparatus | Chiaki Yamada | 2005-06-21 |
| 5930565 | Image forming apparatus | Isao Doi, Akihito Ikegawa | 1999-07-27 |
| 5881343 | Charging method and charging device | Isao Doi, Akihito Ikegawa | 1999-03-09 |
| 5862443 | Electrostatic recording apparatus having a floating electrode on a photoelectric transfer member | Akihito Ikegawa, Isao Doi | 1999-01-19 |
| 5860046 | Charging method and charging device | Akihito Ikegawa, Isao Doi | 1999-01-12 |
| 5790925 | Electrophotographic image forming apparatus with low ozone generation | Isao Doi, Akihito Ikegawa | 1998-08-04 |