Issued Patents All Time
Showing 25 most recent of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411449 | Process unit including first, second and third conveyance members for conveying developer | Naoki Maeda, Shunsuke Uratani, Makoto Hayashida, Tetsuo Uesugi, Joji Goto | 2025-09-09 |
| 12393153 | Toner container | Makoto Hayashida, Go Torii, Takayuki Yada | 2025-08-19 |
| 12164260 | Process cartridge having a receptacle for developer replenishment | Takayuki Yada, Naoki Maeda | 2024-12-10 |
| 12124205 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Shunsuke Uratani +1 more | 2024-10-22 |
| 11841668 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Shunsuke Uratani +1 more | 2023-12-12 |
| 11801799 | Bumper absorber | Mitsuhiro Tamura, Seiji Sawai, Yusuke Kikuchi, Shota Kotake, Yoshikazu Yukimoto | 2023-10-31 |
| 11314193 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Shunsuke Uratani +1 more | 2022-04-26 |
| 11194267 | Developer container, process cartridge, and image forming apparatus | Shota Nakamura | 2021-12-07 |
| 11172121 | Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention | Masato Tanabe, Kazuo Chadani, Yasunori Toriyama, Sadaaki Tani | 2021-11-09 |
| 10996589 | Method for disassembling developing device and method for recycling developing device | Teruhiko Sasaki, Osamu Anan | 2021-05-04 |
| 10935926 | Cartridge, process cartridge, and image forming apparatus | Toshiaki Takeuchi, Takahito Ueno, Kensuke Suzuki | 2021-03-02 |
| 10890863 | Developing device and remanufacturing method of developing device | Teruhiko Sasaki, Osamu Anan | 2021-01-12 |
| D907111 | Process cartridge for image forming apparatus | Toshiaki Takeuchi | 2021-01-05 |
| D907112 | Process cartridge for image forming apparatus | Toshiaki Takeuchi | 2021-01-05 |
| 10880469 | Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention | Masato Tanabe, Kazuo Chadani, Yasunori Toriyama, Sadaaki Tani | 2020-12-29 |
| 10620563 | Developer container, process cartridge, and image forming apparatus | Shota Nakamura | 2020-04-14 |
| 10579012 | Cartridge, process cartridge, and image forming apparatus | Toshiaki Takeuchi, Takahito Ueno, Kensuke Suzuki | 2020-03-03 |
| 10582114 | Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention | Masato Tanabe, Kazuo Chadani, Yasunori Toriyama, Sadaaki Tani | 2020-03-03 |
| 10527971 | Developing apparatus and process cartridge | Tsukasa Abe, Tatsuro Harada | 2020-01-07 |
| 10488785 | Developing unit, process cartridge, and image forming apparatus including process cartridge | Hideki Kakuta, Shota Nakamura | 2019-11-26 |
| D855105 | Flange coupling for process cartridge for image forming apparatus | Tetsuo Uesugi, Makoto Hayashida, Koji Yamaguchi, Takashi Yano, Toshiaki Takeuchi | 2019-07-30 |
| 10324413 | Image forming apparatus having a portion to prevent a process cartridge from being inserted when the process cartridge is in a particular state | Makoto Hayashida | 2019-06-18 |
| 10268156 | Cartridge, process cartridge, and image forming apparatus | Toshiaki Takeuchi, Takahito Ueno, Kensuke Suzuki | 2019-04-23 |
| 9720373 | Image forming apparatus, cartridge and image forming apparatus system | Masato Tanabe, Kazuo Chadani, Yasunori Toriyama, Sadaaki Tani | 2017-08-01 |
| 9684279 | Image forming apparatus with an insertion port configured for a process cartridge, usable with the image forming apparatus | Makoto Hayashida | 2017-06-20 |