Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326673 | Developer container and image forming apparatus | Yosuke Shimomoto | 2025-06-10 |
| 12298680 | Developer container and image forming apparatus | Yosuke Shimomoto | 2025-05-13 |
| 12164243 | Developing device and image forming apparatus | Tadashi Kureyama | 2024-12-10 |
| 11921442 | Transport device and image forming apparatus | Takashi ANZAI, Satoru Ishii | 2024-03-05 |
| 11841672 | Image forming apparatus | Atsushi Kaneko | 2023-12-12 |
| 11614705 | Mounting/demounting structure, apparatus using mounting/demounting structure, and mountable/demountable object | Yosuke Shimomoto | 2023-03-28 |
| 11442401 | Protection member, replacement component with protection member, and image forming apparatus | — | 2022-09-13 |
| D812680 | Toner cartridge | Takuji Matsumoto, Koji Tadokoro | 2018-03-13 |
| 9869966 | Image forming apparatus and removable unit | Lei Yuan | 2018-01-16 |
| 8953980 | Member mounting structure and image forming apparatus | Tadashi Ito | 2015-02-10 |
| 8886091 | Detachable unit and image forming apparatus | — | 2014-11-11 |
| D712959 | Toner cartridge | Naofumi Murayama, Shigemasa Nakaya | 2014-09-09 |
| D712458 | Toner cartridge | Takuji Matsumoto, Iori Togu, Naofumi Murayama, Shigemasa Nakaya | 2014-09-02 |
| 8634743 | Detachable body and image forming apparatus | Takashi Akaike | 2014-01-21 |
| 8467707 | Image forming agent storage unit, method for filling image forming agent storage unit with image forming agent, and image forming apparatus | Kazuaki Sugawara | 2013-06-18 |
| 8380104 | Replacement unit and image forming device | Takuji Matsumoto, Shinichi Ohba, Takayuki Yazawa | 2013-02-19 |
| 8270872 | Image forming apparatus having a connecting mechanism between photoreceptor assembly and developing assembly | Takuji Matsumoto | 2012-09-18 |
| RE43579 | Memory chip, process cartridge and image forming apparatus | — | 2012-08-14 |
| 8229331 | Image forming agent storage unit, method for filling image forming agent storage unit with image forming agent, and image forming apparatus | Kazuaki Sugawara | 2012-07-24 |
| 7949288 | Image forming agent storage device and image forming apparatus | Shigeki Nishimura, Kazuaki Sugawara | 2011-05-24 |
| D636017 | Toner cartridge | Kazuaki Sugawara | 2011-04-12 |
| D630678 | Toner cartridge | Kazuaki Sugawara | 2011-01-11 |
| D630244 | Toner cartridge | Kazuaki Sugawara | 2011-01-04 |
| D630243 | Toner cartridge | Kazuaki Sugawara | 2011-01-04 |
| 6898380 | Memory chip, process cartridge and image forming apparatus | — | 2005-05-24 |