Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411449 | Process unit including first, second and third conveyance members for conveying developer | Naoki Maeda, Makoto Hayashida, Tetsuo Uesugi, Yuuki Nakamura, Joji Goto | 2025-09-09 |
| 12271147 | Cartridge including pressed portion to be pressed by a pressing portion of an image forming apparatus | Yuko Harada, Makoto Hayashida, Tetsuo Uesugi | 2025-04-08 |
| 12124205 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Yuuki Nakamura +1 more | 2024-10-22 |
| 12019392 | Process cartridge and electrophotographic image forming apparatus | Ryuta Murakami, Tadashi Horikawa, Yuichiro Inaba | 2024-06-25 |
| 11994824 | Cartridge and electrophotographic image forming apparatus | Noriyuki Komatsu, Toru Oguma | 2024-05-28 |
| 11841668 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Yuuki Nakamura +1 more | 2023-12-12 |
| 11803153 | Process cartridge and electrophotographic image forming apparatus | Ryuta Murakami, Tadashi Horikawa, Yuichiro Inaba | 2023-10-31 |
| 11720055 | Process cartridge and electrophotographic image forming apparatus | Ryuta Murakami, Tadashi Horikawa, Yuichiro Inaba | 2023-08-08 |
| 11500324 | Cartridge and electrophotographic image forming apparatus | Noriyuki Komatsu, Toru Oguma | 2022-11-15 |
| 11402798 | Process cartridge and electrophotographic image forming apparatus | Ryuta Murakami, Tadashi Horikawa, Yuichiro Inaba | 2022-08-02 |
| 11392081 | Process cartridge and electrophotographic image forming apparatus | Ryuta Murakami, Tadashi Horikawa, Yuichiro Inaba | 2022-07-19 |
| 11314193 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Yuuki Nakamura +1 more | 2022-04-26 |
| 11169483 | Process cartridge and electrophotographic image forming apparatus | Ryuta Murakami, Tadashi Horikawa, Yuichiro Inaba | 2021-11-09 |
| 11099518 | Cartridge and electrophotographic image forming apparatus | Noriyuki Komatsu, Toru Oguma | 2021-08-24 |
| 11003129 | Cartridge, image forming apparatus and assembling method of drive transmission unit | Yu Fukasawa | 2021-05-11 |
| 10663911 | Cartridge, image forming apparatus and assembling method of drive transmission unit | Yu Fukasawa | 2020-05-26 |
| 10642189 | Developer container unit, developing apparatus, and process cartridge | Koji Yamaguchi, Fumito Nonaka, Hiroki Ogino, Hiroomi Matsuzaki | 2020-05-05 |
| 10551790 | Cartridge and electrophotographic image forming apparatus | Noriyuki Komatsu, Toru Oguma | 2020-02-04 |
| 10394182 | Cartridge, image forming apparatus and assembling method of drive transmission unit | Yu Fukasawa | 2019-08-27 |
| 10386751 | Developer container, cartridge, and image-forming apparatus | Naoki Hayashi, Shigemi Kamoshida, Toshiteru Yamasaki | 2019-08-20 |
| 10197967 | Cartridge and electrophotographic image forming apparatus | Noriyuki Komatsu, Toru Oguma | 2019-02-05 |
| D823938 | Cartridge | Takeshi Arimitsu, Ryoji Kusudo, Isao Koishi, Yu Fukasawa, Shigemi Kamoshida +3 more | 2018-07-24 |
| D823380 | Cartridge | Takeshi Arimitsu, Ryoji Kusudo, Isao Koishi, Yu Fukasawa, Shigemi Kamoshida +3 more | 2018-07-17 |
| 9778613 | Cartridge and electrophotographic image forming apparatus | Noriyuki Komatsu, Toru Oguma | 2017-10-03 |
| 9772598 | Cartridge and electrophotographic image forming apparatus | Noriyuki Komatsu, Toru Oguma | 2017-09-26 |