Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339605 | Fixing apparatus for fixing a toner image on a recording medium | Shutaro Saito, Youichi Chikugo, Rikiya Takemasa, Takeshi Kozuma, MIKIHIKO WATANABE +4 more | 2025-06-24 |
| 12248258 | Image forming apparatus having fixing device with casing and suction duct | Youichi Chikugo, Rikiya Takemasa, Yutaro Tsuno, Takeshi Kozuma | 2025-03-11 |
| 12117751 | Fixing apparatus | Keisuke Yoshida, Youichi Chikugo, Kenichi Tanaka, Rikiya Takemasa, Takeshi Kozuma +4 more | 2024-10-15 |
| 12111593 | Fixing device and image forming apparatus | Rikiya Takemasa, Takeshi Kozuma | 2024-10-08 |
| 12111594 | Fixing device capable of fixing frame covering heating unit | TAKU ASHIDA, Youichi Chikugo, Kenichi Tanaka, Rikiya Takemasa, Takeshi Kozuma +1 more | 2024-10-08 |
| 12085875 | Fixing apparatus including scraper for removing lubricant | Youichi Chikugo, Rikiya Takemasa, Kenichi Tanaka, Takeshi Kozuma, TAKU ASHIDA +1 more | 2024-09-10 |
| 12025936 | Fixing apparatus for fixing a toner image on a recording medium | Shutaro Saito, Youichi Chikugo, Rikiya Takemasa, Takeshi Kozuma, MIKIHIKO WATANABE +4 more | 2024-07-02 |
| 11921449 | Fixing apparatus | Kenichi Tanaka, Youichi Chikugo, Rikiya Takemasa, Takeshi Kozuma, MIKIHIKO WATANABE +1 more | 2024-03-05 |
| 11815834 | Image forming apparatus | Youichi Chikugo, Yutaro Tsuno, Kenichi Tanaka, Rikiya Takemasa | 2023-11-14 |
| 11809109 | Image heating apparatus having a worm that is rotatably supported at two different positions | Rikiya Takemasa, Takeshi Kozuma, Youichi Chikugo, Yutaro Tsuno | 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, Rikiya Takemasa, Takeshi Kozuma, Yutaro Tsuno | 2023-01-31 |
| 11454908 | Image heating apparatus comprising halogen heater with two glass-covered heating portions | Takeshi Kozuma, Youichi Chikugo, Yutaro Tsuno, Rikiya Takemasa | 2022-09-27 |
| 11307520 | Image forming apparatus with cleaning mechanism | Youichi Chikugo, Yutaro Tsuno, Kenichi Tanaka, Rikiya Takemasa | 2022-04-19 |
| 11300906 | Fixing device | Rikiya Takemasa, Yutaro Tsuno, Kenichi Tanaka, Youichi Chikugo, Mitsuru Hasegawa +4 more | 2022-04-12 |
| 11287766 | Fixing unit, image forming apparatus and image forming system | Youichi Chikugo, Rikiya Takemasa, Kenichi Tanaka, Yutaro Tsuno | 2022-03-29 |
| 11269272 | Fixing device including an endless belt for fixing a toner image on a recording material | Youichi Chikugo, Rikiya Takemasa, Kenichi Tanaka, Yutaro Tsuno, Mitsuru Hasegawa +4 more | 2022-03-08 |
| 11194275 | Fixing device | Rikiya Takemasa, Youichi Chikugo, Kenichi Tanaka, Yutaro Tsuno, Mitsuru Hasegawa +4 more | 2021-12-07 |
| 11092917 | Fixing unit | Yutaro Tsuno, Youichi Chikugo, Rikiya Takemasa, Kenichi Tanaka | 2021-08-17 |
| 10591849 | Image forming apparatus | — | 2020-03-17 |