Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416894 | Image forming apparatus | Yutaka Goto, Seiichi Kogure, Hiroshi Kikuchi, Hirotaka Hatta, Hideki Kimura +2 more | 2025-09-16 |
| 12111600 | Powder conveying device and image forming apparatus incorporating same | Kazuhiro Shimada, Seiichi Kogure, Hideki Kimura, Hiroshi Kikuchi, Yutaka Takahashi +3 more | 2024-10-08 |
| 11789385 | Transfer bias and pressure in an image forming apparatus | Yuuki Aoki, Seiichi Kogure, Hideki Kimura, Hiroshi Kikuchi, Yutaka Takahashi +3 more | 2023-10-17 |
| 11474445 | Cleaning device for cleaning a discharge wire, charger, and image forming apparatus | Akira Fujimori, Hideki Kimura, Hiroshi Kikuchi, Yutaka Takahashi | 2022-10-18 |
| 11307515 | Developing device with a developer regulator and a stopper | Hiroshi Kikuchi, Akira Fujimori, Hideki Kimura, Yutaka Takahashi, Johji Yahagi +1 more | 2022-04-19 |
| 10935907 | Developer conveyance device and image forming apparatus incorporating same | Akira Fujimori, Hideki Kimura, Yutaka Takahashi, Hiroshi Kikuchi, Hiroyuki Uenishi +1 more | 2021-03-02 |
| 9983512 | Toner conveyance device and image forming apparatus | Takeshi Shintani, Yasuhiro Maehata, Hiroshi Mizusawa, Daisuke Tomita, Yuta Azeyanagi +1 more | 2018-05-29 |
| 9958823 | Device including roller, and image forming apparatus and process cartridge incorporating same | Daisuke Tomita, Takeshi Shintani, Yasuhiro Maehata, Yasuhito Kuboshima, Nobuo Kuwabara +2 more | 2018-05-01 |
| 9798288 | Image forming apparatus which controls the rotation speed of a lubricant supply roller | Yasuhiro Maehata, Kenji Honjoh, Takeshi Shintani, Nobuo Kuwabara, Daisuke Tomita +1 more | 2017-10-24 |
| 9696648 | Image forming apparatus | Yasuhiro Maehata, Nobuo Kuwabara, Kenji Honjoh, Yasuhito Kuboshima, Takeshi Shintani | 2017-07-04 |
| 9395686 | Process cartridge and image forming apparatus | Takeshi Shintani, Yasuhito Kuboshima, Kenji Honjoh, Nobuhiro Kuwabara | 2016-07-19 |
| 9383715 | Lubricant supplying device, process cartridge and image forming apparatus | Kenji Honjoh, Takeshi Shintani, Nobuo Kuwabara, Yasuhiro Maehata, Yasuhito Kuboshima | 2016-07-05 |
| 9367021 | Image forming apparatus | Takeshi Shintani, Nobuo Kuwabara, Kenji Honjoh, Yasuhito Kuboshima | 2016-06-14 |
| 9268292 | Image forming apparatus including first and second bias voltage supply devices | Takeshi Kojima, Hirotaka Hatta, Toshiya Satoh, Akira Asaoka, Hiroyuki Uenishi | 2016-02-23 |
| 9201378 | Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating same | Akira Asaoka, Hirotaka Hatta, Toshiya Sato, Takeshi Kojima, Hiroyuki Uenishi | 2015-12-01 |
| 9195204 | Image forming apparatus | Hirotaka Hatta, Toshiya Sato, Akira Asaoka, Norio Kudo, Hiroyuki Uenishi +2 more | 2015-11-24 |
| 9158267 | Waste-toner conveyance device and image forming apparatus | Nobuo Kuwabara, Shinichi Kawahara, Norio Kudoh, Takeshi Shintani, Kenji Honjoh +1 more | 2015-10-13 |
| 9141020 | Charger positioning adjuster and image forming apparatus incorporating same | Hiroyuki Uenishi, Hirotaka Hatta, Toshiya Sato, Takeshi Kojima, Akira Asaoka | 2015-09-22 |