Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429811 | Cartridge and image forming apparatus | Naoki Matsumaru, Ryuta Murakami, Tadashi Horikawa, Akihiro Fujiwara, Akinobu Hirayama +5 more | 2025-09-30 |
| 12153355 | Cartridge used in image forming apparatus | Takatoshi Hamada, Noriyuki Komatsu, Tetsuya Numata, Naoya Asanuma | 2024-11-26 |
| 11927910 | Cartridge and image forming apparatus | Ryuta Murakami, Goshi Ozaki, Daisuke Abe, Tachio Kawai | 2024-03-12 |
| 11841647 | Cartridge and developing cartridge including a frame and sheet member provided at end side of the frame | Takuya Kawakami, Noriyuki Komatsu, Tetsuya Numata, Naoya Asanuma | 2023-12-12 |
| 11709438 | Cartridge used in image forming apparatus | Takatoshi Hamada, Noriyuki Komatsu, Tetsuya Numata, Naoya Asanuma | 2023-07-25 |
| 11480916 | Cartridge having toner removing sheet in contact with photosensitive drum | Takuya Kawakami, Noriyuki Komatsu, Tetsuya Numata, Naoya Asanuma | 2022-10-25 |
| 11294299 | Cartridge used in image forming apparatus | Takatoshi Hamada, Noriyuki Komatsu, Tetsuya Numata, Naoya Asanuma | 2022-04-05 |
| 11112753 | Cartridge with a sheet to remove matter from a surface of a photosensitive drum | Takuya Kawakami, Noriyuki Komatsu, Tetsuya Numata, Naoya Asanuma | 2021-09-07 |
| 10915060 | Developing device having restricted movement, process cartridge and image forming apparatus | Tachio Kawai, Shigemi Kamoshida, Goshi Ozaki, Shohei Katsuya, Ryota Shibuya | 2021-02-09 |
| 10649394 | Method of manufacturing frame unit, method of manufacturing image carrying unit, method of manufacturing cartridge, and cartridge | Tadashi Horikawa, Naoki Matsumaru, Ryuta Murakami, Tetsuya Numata | 2020-05-12 |
| 10627780 | Cartridge and image forming apparatus | Akihiro Fujiwara, Tadashi Horikawa, Naoki Matsumaru, Ryuta Murakami | 2020-04-21 |
| 10564597 | Method for manufacturing image bearing unit and method for manufacturing cartridge | Tetsuya Numata, Ryuta Murakami, Naoki Matsumaru, Tadashi Horikawa | 2020-02-18 |
| D873341 | Process cartridge for image forming apparatus | Tadashi Horikawa, Noriyuki Komatsu, Naoki Matsumaru, Ryuta Murakami, Akihiro Fujiwara +2 more | 2020-01-21 |
| 10520883 | Method for manufacturing image bearing unit and method for manufacturing cartridge | Tadashi Horikawa, Ryuta Murakami, Tetsuya Numata, Naoki Matsumaru | 2019-12-31 |
| 10452002 | Developing device | Akihiro Fujiwara, Naoki Maeda | 2019-10-22 |
| 10444697 | Image forming apparatus main body and image forming system using an electrophotographic image forming process to form an image on a medium | Masato Tanabe, Hiroki Shimizu, Takahito Ueno, Toshiaki Takeuchi | 2019-10-15 |
| 10345756 | Developing apparatus having a sealed developer bearing member, process cartridge, and image forming apparatus | Naoki Matsumaru, Go Torii | 2019-07-09 |
| 10322580 | Frame, cartridge, image forming apparatus, and method for manufacturing frame | Naoki Matsumaru, Go Torii | 2019-06-18 |
| 10281873 | Developing device, process cartridge, and image forming apparatus | Tatsuro Harada, Hiroki Shimizu, Osamu Anan | 2019-05-07 |
| 10095161 | Accommodating container, process cartridge and electrophotographic image forming apparatus | Toshiaki Takeuchi, Yoshiyuki Batori, Ryuta Murakami, Gosuke Goto, Makoto Tokudome +1 more | 2018-10-09 |
| 10095180 | Developing cartridge which is movable toward and away from image bearing member | Tatsuro Harada, Masato Tanabe, Hiroki Shimizu | 2018-10-09 |
| 10025268 | Image forming apparatus main body and image forming system using an electrophotographic image forming process to form an image on a medium | Masato Tanabe, Hiroki Shimizu, Takahito Ueno, Toshiaki Takeuchi | 2018-07-17 |
| 9989892 | Developer accommodating container with projected shaped portion for contacting toner seal member | Toshiaki Takeuchi, Takashi Kimura, Yoshiyuki Batori, Ryuta Murakami, Noritomo Yamaguchi +1 more | 2018-06-05 |
| 9599932 | Developer container with sealing member having a plurality of holes and rotatable member having a plurality of projections contactable with the sealing member | Toshiaki Takeuchi, Yoshiyuki Batori, Ryuta Murakami, Gosuke Goto, Makoto Tokudome +1 more | 2017-03-21 |
| 9523942 | Developer accommodating container, developing cartridge, process cartridge and image forming apparatus | Toshiaki Takeuchi, Takashi Kimura, Yoshiyuki Batori, Ryuta Murakami, Noritomo Yamaguchi +1 more | 2016-12-20 |