Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12386290 | Fixing device including an endless belt member and a steering roller providing lubrication to the endless belt member | Kenichi Tanaka, Takuya Hasegawa, Tatsuo Yasui, Tomoyuki Kuriyama | 2025-08-12 |
| 12339605 | Fixing apparatus for fixing a toner image on a recording medium | Shutaro Saito, Youichi Chikugo, Hidekazu Tatezawa, Takeshi Kozuma, MIKIHIKO WATANABE +4 more | 2025-06-24 |
| 12248258 | Image forming apparatus having fixing device with casing and suction duct | Hidekazu Tatezawa, Youichi Chikugo, Yutaro Tsuno, Takeshi Kozuma | 2025-03-11 |
| 12158716 | Fixing device and image forming apparatus | — | 2024-12-03 |
| 12117751 | Fixing apparatus | Keisuke Yoshida, Youichi Chikugo, Kenichi Tanaka, Hidekazu Tatezawa, Takeshi Kozuma +4 more | 2024-10-15 |
| 12111593 | Fixing device and image forming apparatus | Hidekazu Tatezawa, Takeshi Kozuma | 2024-10-08 |
| 12111594 | Fixing device capable of fixing frame covering heating unit | TAKU ASHIDA, Youichi Chikugo, Hidekazu Tatezawa, Kenichi Tanaka, Takeshi Kozuma +1 more | 2024-10-08 |
| 12085875 | Fixing apparatus including scraper for removing lubricant | Youichi Chikugo, Kenichi Tanaka, Takeshi Kozuma, Hidekazu Tatezawa, TAKU ASHIDA +1 more | 2024-09-10 |
| 12025936 | Fixing apparatus for fixing a toner image on a recording medium | Shutaro Saito, Youichi Chikugo, Hidekazu Tatezawa, Takeshi Kozuma, MIKIHIKO WATANABE +4 more | 2024-07-02 |
| 11921449 | Fixing apparatus | Kenichi Tanaka, Youichi Chikugo, Hidekazu Tatezawa, Takeshi Kozuma, MIKIHIKO WATANABE +1 more | 2024-03-05 |
| 11815834 | Image forming apparatus | Youichi Chikugo, Hidekazu Tatezawa, Yutaro Tsuno, Kenichi Tanaka | 2023-11-14 |
| 11809109 | Image heating apparatus having a worm that is rotatably supported at two different positions | Takeshi Kozuma, Youichi Chikugo, Yutaro Tsuno, Hidekazu Tatezawa | 2023-11-07 |
| 11714368 | Fixing unit | Mitsuru Hasegawa, Hiroki Kawai, Ayano Ogata, Yasuharu Toratani, Suguru Takeuchi +4 more | 2023-08-01 |
| 11567436 | Image heating apparatus and image forming apparatus | Youichi Chikugo, Hidekazu Tatezawa, Takeshi Kozuma, Yutaro Tsuno | 2023-01-31 |
| 11454908 | Image heating apparatus comprising halogen heater with two glass-covered heating portions | Takeshi Kozuma, Youichi Chikugo, Hidekazu Tatezawa, Yutaro Tsuno | 2022-09-27 |
| 11307520 | Image forming apparatus with cleaning mechanism | Youichi Chikugo, Hidekazu Tatezawa, Yutaro Tsuno, Kenichi Tanaka | 2022-04-19 |
| 11300906 | Fixing device | Hidekazu Tatezawa, Yutaro Tsuno, Kenichi Tanaka, Youichi Chikugo, Mitsuru Hasegawa +4 more | 2022-04-12 |
| 11287766 | Fixing unit, image forming apparatus and image forming system | Hidekazu Tatezawa, Youichi Chikugo, Kenichi Tanaka, Yutaro Tsuno | 2022-03-29 |
| 11269272 | Fixing device including an endless belt for fixing a toner image on a recording material | Hidekazu Tatezawa, Youichi Chikugo, Kenichi Tanaka, Yutaro Tsuno, Mitsuru Hasegawa +4 more | 2022-03-08 |
| 11194275 | Fixing device | Youichi Chikugo, Hidekazu Tatezawa, Kenichi Tanaka, Yutaro Tsuno, Mitsuru Hasegawa +4 more | 2021-12-07 |
| 11092917 | Fixing unit | Yutaro Tsuno, Youichi Chikugo, Kenichi Tanaka, Hidekazu Tatezawa | 2021-08-17 |
| 10877414 | Image forming apparatus with a fixing device controlled for envelope printing | — | 2020-12-29 |
| 10501279 | Sheet processing apparatus and image forming apparatus to detach a bound sheet bundle from a teeth portion | Hideto Abe | 2019-12-10 |
| 10093512 | Apparatus having detachment unit for binding unit | Hideto Abe | 2018-10-09 |
| 9764920 | Sheet processing apparatus and image forming apparatus, having a binding unit with opposed surfaces to nip and bind a sheet bundle, and having a detachment unit to detach such bound sheet bundle from at least one of the surfaces | Hideto Abe | 2017-09-19 |