Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405551 | Developing device and image forming apparatus having operation mode for cleaning | Yutaka Kiuchi | 2025-09-02 |
| 12313988 | Developing device and image forming apparatus | Yutaka Kiuchi | 2025-05-27 |
| 11520280 | Image forming apparatus | Shohei MIYAGAWA, Go MIURA | 2022-12-06 |
| 11256193 | Powder transport device, developing device, and image forming apparatus | Yuki Yoshihira | 2022-02-22 |
| 11106175 | Image forming apparatus having a securing device to secure a photoconductor unit and a developing unit | — | 2021-08-31 |
| 11086263 | Rotatable cleaning device for photoconductor drum that prevents spillage | Toyohiko Awano | 2021-08-10 |
| 11086252 | Developing device and image forming apparatus having housing including a metal portion | — | 2021-08-10 |
| 10915041 | Powder-container attachment device, image forming apparatus, and powder container | Seigo Shinozaki, Hirohisa Hoshino | 2021-02-09 |
| 9829834 | Flywheel and image forming apparatus | Kentaro Iwamoto, Kazuyoshi Hagiwara, Akira Takahashi, Mihoko Tanaka, Yusuke Sakai | 2017-11-28 |
| 9465327 | Transfer mechanism and image forming apparatus | Akira Takahashi, Kazuyoshi Hagiwara, Yusuke Sakai, Mihoko Tanaka | 2016-10-11 |
| 9002246 | Transfer device and image forming apparatus for increasing relative positional accuracy between a transfer member and a wound member | Koji Deguchi, Akihiro Ouchi, Hiroaki Yagi, Koichi Sato, Kazuyuki Yagata +3 more | 2015-04-07 |
| 8903272 | Image forming apparatus including charging unit positioning | Kuniaki Tanaka | 2014-12-02 |
| 8837977 | Charging device and image forming apparatus | — | 2014-09-16 |
| 8805238 | Image forming apparatus | Kuniaki Tanaka | 2014-08-12 |
| 8761641 | Image forming apparatus having charging unit support | Kuniaki Tanaka | 2014-06-24 |
| 8755717 | Charging device and image forming apparatus | Kuniaki Tanaka | 2014-06-17 |
| 8750761 | Charging device, image forming apparatus, and potential control plate | Yuki Nagamori, Koji Otsuka, Kuniaki Tanaka | 2014-06-10 |
| 8693921 | Charging device and image forming apparatus | Kuniaki Tanaka | 2014-04-08 |
| 8676091 | Charging device and image forming apparatus | Koji Otsuka, Yuki Nagamori, Tomoyoshi Chihara | 2014-03-18 |
| 8655219 | Cleaning device, charging unit, image bearing unit, and image forming apparatus | — | 2014-02-18 |
| 8571438 | Charging device and image forming apparatus | Kaoru Matsushita, Kuniaki Tanaka | 2013-10-29 |
| 8391744 | Charger, image forming unit and image forming apparatus having a regular repeating mesh pattern that is changed in a peripheral region | Satoshi Shigezaki, Kuniaki Tanaka | 2013-03-05 |
| 8109595 | Droplet ejection apparatus and cleaning method of a droplet receiving surface | Hiroaki Satoh, Masahiko Sekimoto, Satoshi Mohri, Toru Nishida | 2012-02-07 |
| 8041263 | Charging device | Toshiyuki Matsui, Shigeo Ohno | 2011-10-18 |
| 7810897 | Droplet ejection apparatus and cleaning method of a droplet receiving surface | Hiroaki Satoh, Masahiko Sekimoto, Satoshi Mohri, Toru Nishida | 2010-10-12 |