Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344498 | Image forming system and charge eliminating apparatus | Naoto HAMABATA, Katsumi Tanaka, Tomokazu Kurita, Taro Mitsui | 2025-07-01 |
| 11952235 | Image forming system and charge eliminating apparatus | Naoto HAMABATA, Katsumi Tanaka, Tomokazu Kurita, Taro Mitsui | 2024-04-09 |
| 11726423 | Medium transport device and medium processing device using the same | Kaoru Matsushita, Koichi Sato, Kentaro Iwamoto, Hibiki Sasaki, Toshihiko KAMIYAMA | 2023-08-15 |
| 11204578 | Cleaning device, waste toner recovery device, and image forming device | Kazutoshi Sugitani, Koichi Sato, Masakazu Shirai, Hibiki Sasaki, Kaoru Matsushita +1 more | 2021-12-21 |
| 11188017 | Adjusting mechanism of image forming apparatus | Koichi Sato, Hibiki Sasaki, Kaoru Matsushita, Kentaro Iwamoto, Toshihiko KAMIYAMA +1 more | 2021-11-30 |
| 11188018 | Medium transport device and image forming apparatus | Kentaro Iwamoto, Koichi Sato, Kaoru Matsushita, Hibiki Sasaki, Toshihiko KAMIYAMA +4 more | 2021-11-30 |
| 11067941 | Image forming apparatus including a roller support unit and a contact portion | Masakazu Shirai, Koichi Sato, Kazutoshi Sugitani, Hibiki Sasaki, Kaoru Matsushita | 2021-07-20 |
| 11009813 | Image forming apparatus including a dispersion unit | Kaoru Matsushita, Koichi Sato, Kazutoshi Sugitani, Masakazu Shirai, Hibiki Sasaki | 2021-05-18 |
| 9482991 | Image forming apparatus for transporting collected toner and new toner with reduced clogging | Ryota Kubo, Kuniaki Tanaka, Yoshinobu Kariya, Hideaki Ozawa, Yasutomo Ishii +3 more | 2016-11-01 |
| 8849173 | Developer collecting device which reduces clogging of filter and image forming apparatus | Masatoshi Yamada, Kazuyuki Yagata, Katsunori Kikuchihara, Yoshihiro Enomoto | 2014-09-30 |
| 8750747 | Developer collecting device and image forming apparatus | Kazuyuki Yagata, Masaaki Tokunaga, Masatoshi Yamada, Katsunori Kikuchihara, Yoshihiro Enomoto +1 more | 2014-06-10 |
| 8706000 | Developer collecting device and image forming apparatus for preventing toner from escaping | Masatoshi Yamada | 2014-04-22 |
| 8630562 | Image forming apparatus | Masaaki Tokunaga, Masatoshi Yamada | 2014-01-14 |
| 8571453 | Image forming apparatus and charge eliminating device | Yoshihiro Enomoto, Yoshihisa Nakao | 2013-10-29 |
| 8554120 | Image forming apparatus and computer readable medium storing program | Yoshihisa Nakao, Yoshihiro Enomoto, Katsunori Kikuchihara, Katsuya Takenouchi, Yoshiya Mashimo +4 more | 2013-10-08 |
| 8503903 | Developer collecting device and image forming apparatus | Masatoshi Yamada, Masaaki Tokunaga | 2013-08-06 |
| 8443962 | Removable unit and image forming apparatus | Yoshihiro Enomoto, Kazuyuki Yagata, Kenji Suzuki | 2013-05-21 |
| 8385770 | Developer recovery device and image forming device | Masatoshi Yamada, Yoshihiro Enomoto, Katsuya Takenouchi, Katsunori Kikuchihara, Yoshihisa Nakao +2 more | 2013-02-26 |
| 8369739 | Intermediate transfer unit and image forming apparatus including the same | — | 2013-02-05 |
| 8346138 | Intermediate transfer unit, transfer device and image forming apparatus | Kazutoshi Sugitani | 2013-01-01 |
| 8311452 | Transfer device with contact pressure adjustment mechanism and image forming device using the same | — | 2012-11-13 |
| 8175494 | Intermediate transfer device, transfer device and image forming apparatus for wrinkle suppression | Tadakazu Edure, Kazutoshi Sugitani | 2012-05-08 |
| 8113515 | Paper sheet transporting device and image forming apparatus using the same | Tsutomu Komiyama, Kazutoshi Sugitani, Katsunori Kikuchihara | 2012-02-14 |
| 8045869 | Primary transfer device and image forming apparatus having the same | Kazutoshi Sugitani, Masaaki Takahashi, Tadakazu Edure, Katsunori Kikuchihara | 2011-10-25 |
| 7177585 | Image forming apparatus and method | Satoshi Matsuzaka, Keiji Yamamoto, Satoru Torimaru, Takashi Kawabata, Masaaki Takahashi +2 more | 2007-02-13 |