Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12135416 | Light deflector, distance measuring device, projection device, and mobile object | Masayuki Fujishima, Junichi Konishi, Hidenori Kato | 2024-11-05 |
| 11946860 | Electronic device | Hidetaka Noguchi | 2024-04-02 |
| 10036976 | Developing device, and image forming apparatus and process unit incorporating same | Yuji Nagatomo, Masato Tsuji, Yutaro Kaku | 2018-07-31 |
| 9958806 | Developing device and image forming apparatus incorporating same | Masato Tsuji, Yuji Nagatomo, Mitsutoshi Kichise, Yutaro Kaku, Kazuki Matsumoto | 2018-05-01 |
| 9201393 | Toner container, process cartridge, and image forming apparatus | Yuusuke Furuichi, Rie Mitani, Takafumi Miyazaki, Hidekazu Shono, Osamu Saito +7 more | 2015-12-01 |
| 9014593 | Sealing assembly, developing device, process unit, and image forming apparatus incorporating same | Yasunobu Ogata, Rie Mitani, Takahiro Sanada | 2015-04-21 |
| 9002243 | Developing device and process unit and image forming apparatus incorporating same | Ryuji Inoue, Rie Mitani | 2015-04-07 |
| 8688015 | Development device, processing unit and image forming apparatus | Kohta Sakaya | 2014-04-01 |
| 8594519 | Image forming apparatus and toner supply method | Naoki Nakatake, Atsushi Takehara, Tomohiro Kubota, Kohta Sakaya | 2013-11-26 |
| 8503892 | Developing unit, image forming apparatus, and process cartridge | Kohta Sakaya, Tomohiro Kubota, Atsushi Takehara, Naoki Nakatake | 2013-08-06 |
| 8483583 | Image forming apparatus and toner supply method | Atsushi Takehara, Naoki Nakatake, Tomohiro Kubota, Kohta Sakaya | 2013-07-09 |
| 8452216 | Image forming apparatus which mixes new unused toner with used old toner | Atsushi Takehara, Naoki Nakatake | 2013-05-28 |
| 8406664 | Image forming apparatus, image forming method, and developing device | Yuji Nagatomo | 2013-03-26 |
| 8354164 | Semiconductive member, and developing roll, charging roll, transfer belt, and image forming apparatus using same | Chiyoshi Nozaki, Shintaro Yamada, Yuji Nagatomo, Shin Murayama, Manabu Hamada +1 more | 2013-01-15 |
| 8036573 | Process cartridge and image forming apparatus including a toner charge control device with an endless belt | Hidekazu Shono, Naoki Nakatake | 2011-10-11 |
| 7907871 | Image forming apparatus | Yoshio Sakagawa, Yuji Nagatomo | 2011-03-15 |
| 7903993 | Image forming apparatus | Yoshio Sakagawa, Yuji Nagatomo | 2011-03-08 |
| 7822356 | Image forming apparatus | Yoshio Sakagawa, Yuji Nagatomo | 2010-10-26 |
| 7796935 | Process cartridge and image forming apparatus including same | Yuji Nagatomo | 2010-09-14 |
| 7796912 | Image forming method and apparatus which uses alternating voltage to form an electric field for moving toner | Yoshio Sakagawa, Yuji Nagatomo | 2010-09-14 |
| 7792463 | Image forming apparatus including a brush member to temporarily capture toner | Yoshio Sakagawa, Yuji Nagatomo | 2010-09-07 |
| 7751753 | Cleanerless image forming apparatus | Yoshio Sakagawa, Yuji Nagatomo | 2010-07-06 |
| 7738803 | Image forming method and apparatus for effectively charging an image carrier | Yuji Nagatomo, Yoshio Sakagawa | 2010-06-15 |
| 7734223 | Image forming apparatus and process cartridge employing the same having brush roller charger | — | 2010-06-08 |
| 7725054 | Electrifying apparatus, a processing unit, and an image formation apparatus | Yoshio Sakagawa, Yuji Nagatomo | 2010-05-25 |