Issued Patents All Time
Showing 1–25 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411449 | Process unit including first, second and third conveyance members for conveying developer | Naoki Maeda, Shunsuke Uratani, Tetsuo Uesugi, Yuuki Nakamura, Joji Goto | 2025-09-09 |
| 12393153 | Toner container | Yuuki Nakamura, Go Torii, Takayuki Yada | 2025-08-19 |
| 12287603 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2025-04-29 |
| 12271146 | Process cartridge | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Naoki Maeda, Satoru Harada | 2025-04-08 |
| 12271147 | Cartridge including pressed portion to be pressed by a pressing portion of an image forming apparatus | Yuko Harada, Shunsuke Uratani, Tetsuo Uesugi | 2025-04-08 |
| 12124205 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Shunsuke Uratani, Yuuki Nakamura +1 more | 2024-10-22 |
| 12124211 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2024-10-22 |
| 12092970 | Image forming apparatus | Kohei Matsuda, Junko Hirata, Kazunori Hashimoto, Yasushi Katsuta, Yasunori Toriyama +4 more | 2024-09-17 |
| 11927913 | Cartridge unit | Noriyuki Komatsu, Teruhiko Sasaki, Tomonori Mori | 2024-03-12 |
| 11841668 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Shunsuke Uratani, Yuuki Nakamura +1 more | 2023-12-12 |
| 11762330 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2023-09-19 |
| 11740585 | Process cartridge | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Naoki Maeda, Satoru Harada | 2023-08-29 |
| 11669038 | Image forming apparatus having detachable developer cartridge | Takuya Kawakami, Yosuke Kashiide, Noriyuki Komatsu | 2023-06-06 |
| 11500305 | Process cartridge having toner receiving portion | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Masakazu Tatsumi | 2022-11-15 |
| 11454924 | Process cartridge | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Naoki Maeda, Satoru Harada | 2022-09-27 |
| 11442404 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2022-09-13 |
| 11442405 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2022-09-13 |
| 11435693 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2022-09-06 |
| 11334023 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2022-05-17 |
| D950642 | Photosensitive drum for process cartridge for image forming apparatus | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2022-05-03 |
| 11314193 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Shunsuke Uratani, Yuuki Nakamura +1 more | 2022-04-26 |
| 11237519 | Cartridge unit | Noriyuki Komatsu, Teruhiko Sasaki, Tomonori Mori | 2022-02-01 |
| 11209749 | Process cartridge having toner receiving portion | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Masakazu Tatsumi | 2021-12-28 |
| 11073791 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-07-27 |
| 11073790 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-07-27 |