Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11520250 | Developing device with filter and a plurality of air exit paths and image forming apparatus | Yuta Hoshino, Kiyohito HORII, Takashi Ochi, Shota IGAWA | 2022-12-06 |
| 10990034 | Powder storage height detection device and powder replenishing device | Tomoyuki Hamachi, Yoshihisa Nakao, Makoto Kanno, Daisuke UCHIMITSU, Ryo Fukuno | 2021-04-27 |
| 10890861 | Powder storage height detection device and powder replenishing device | Yoshihisa Nakao, Makoto Kanno, Daisuke UCHIMITSU, Ryo Fukuno, Tomoyuki Hamachi | 2021-01-12 |
| 10795286 | Developer container and image forming apparatus | Hideaki Tanaka, Daisuke Nakai | 2020-10-06 |
| 10705457 | Powder accommodating device and image forming apparatus | Daisuke Nakai | 2020-07-07 |
| 10048619 | Developing device and image forming apparatus | Motoki MATSUSHIMA, Atsushi FUNADA | 2018-08-14 |
| 9804531 | Developing device including exhaust passage and blocking member and image forming apparatus | Shinichiro Fujimori, Takayuki Yamada | 2017-10-31 |
| 8369736 | Developing device and image forming apparatus | Yoshiyuki Takashima, Hideki KUGE, Takuji Matsumoto, Shingo Natsume, Youichi Seki | 2013-02-05 |
| 8170447 | Image forming apparatus, developing apparatus and contact-retracting method | Keisuke Kubo, Kei Hirata, Tomio Onuki, Takeshi Okoshi, Toshikazu Tsumita +5 more | 2012-05-01 |
| 8135312 | Development apparatus and image forming apparatus | Hirohisa Kohno, Kazunori Koshimori, Kei Hirata, Akihide Kawamura, Naoya Iwata +5 more | 2012-03-13 |