Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12210312 | Image forming apparatus having toner replenishment | Tomio Noguchi, Masaaki Sato, Kenji Matsuzaka, Koji Fujinaka, Akitoshi Toyota +2 more | 2025-01-28 |
| 12111601 | Image forming apparatus having an opening/closing member that is prevented from closing when a replenishment container is attached to a process unit | Koji Wada, Tsuyoshi Ogawa, Hiroshi Takarada, Kenji Matsuzaka, Tomio Noguchi +3 more | 2024-10-08 |
| 11947305 | Image forming apparatus having toner replenishment | Tomio Noguchi, Masaaki Sato, Kenji Matsuzaka, Koji Fujinaka, Akitoshi Toyota +2 more | 2024-04-02 |
| 11846894 | Image forming apparatus and image forming system | Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Koji Fujinaka, Tomio Noguchi +2 more | 2023-12-19 |
| 11573521 | Image forming apparatus having an opening/closing member that is prevented from closing when a replenishment container is attached to a process unit | Koji Wada, Tsuyoshi Ogawa, Hiroshi Takarada, Kenji Matsuzaka, Tomio Noguchi +3 more | 2023-02-07 |
| 11556088 | Image forming apparatus having toner replenishment | Tomio Noguchi, Masaaki Sato, Kenji Matsuzaka, Koji Fujinaka, Akitoshi Toyota +2 more | 2023-01-17 |
| 11467514 | Image forming apparatus and image forming system | Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Koji Fujinaka, Tomio Noguchi +2 more | 2022-10-11 |
| 7085517 | Image forming apparatus and image forming unit detachably mountable thereto | — | 2006-08-01 |
| 6807393 | Image forming unit and image forming apparatus | Mitsugu Inomata | 2004-10-19 |
| 6564025 | Image forming apparatus with recording material convey velocity control feature | Shoji Maruyama | 2003-05-13 |
| 6522845 | Image forming apparatus and image forming unit detachably attachable thereto | — | 2003-02-18 |
| 6493528 | Image forming unit and image forming apparatus | Mitsugu Inomata | 2002-12-10 |
| 6453135 | Image forming apparatus having a transfer material carrier unit or an intermediate transfer body unit | Takashi Kimura | 2002-09-17 |
| 6115568 | Image forming apparatus with intermediate transfer member | — | 2000-09-05 |
| 5983062 | Image forming apparatus with shifting means to position image transfer unit | — | 1999-11-09 |
| 5666595 | Image forming apparatus with locking mechanism for detachable feeder unit | Yutaka Kikuchi, Kazuaki Takahashi | 1997-09-09 |
| 5651540 | Sheet supply device with stacking reference guide | Yoshiaki Watanabe, Hiroaki Namiki, Tomoyuki Araki, Ryukichi Inoue, Kazuhide Kudo +1 more | 1997-07-29 |