Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384929 | Inkjet ink and inkjet recording apparatus | — | 2025-08-12 |
| D890840 | Ink cartridge | Daisuke Fujiwara, Mitsuhiro Goda, Masahiro Kashimoto, Masanobu Maeshima | 2020-07-21 |
| 10668734 | Ink container and image forming apparatus | — | 2020-06-02 |
| 10479089 | Supply liquid tank unit and ink jet recording apparatus including the same | — | 2019-11-19 |
| 10234790 | Toner case including internal shutter member, toner supply device, and image forming apparatus | — | 2019-03-19 |
| 10082758 | Developer case and image forming apparatus including the same | — | 2018-09-25 |
| 10067441 | Developer case including holder to hold rotator and image forming apparatus including the same | — | 2018-09-04 |
| 9971280 | Developer case and image forming apparatus including the same | — | 2018-05-15 |
| 9760038 | Toner case, and image forming apparatus including the same | — | 2017-09-12 |
| D791865 | Toner cartridge | — | 2017-07-11 |
| D791225 | Toner cartridge | — | 2017-07-04 |
| D777832 | Toner cartridge | — | 2017-01-31 |
| D774130 | Toner cartridge | — | 2016-12-13 |
| 9335660 | Developer case and image forming apparatus | — | 2016-05-10 |
| 9285710 | Untransferred toner recovery device and image forming apparatus | Koji Murata | 2016-03-15 |
| 9164426 | Toner container, and image forming apparatus including the same | Koji Murata | 2015-10-20 |
| 9158232 | Developer container, developing device including developer container, and image forming apparatus including developing device | Koji Murata, Ryoji Nishimura | 2015-10-13 |
| 9152087 | Toner transportation device and image forming apparatus equipped with the same | Koji Murata, Naoki Yamane | 2015-10-06 |
| D728012 | Toner cartridge | — | 2015-04-28 |
| 8938189 | Toner conveying device and image forming apparatus including the same | Koji Murata, Naoki Yamane | 2015-01-20 |
| 8768220 | Image forming apparatus having rotatable member drive mechanism in toner case | Koji Murata, Naoki Mizutani, Takeshi Fujimura, Naoki Yamane | 2014-07-01 |
| 8725011 | Toner transportation device, image forming apparatus, and method of detecting the amount of toner remaining | Koji Murata, Naoki Mizutani, Takeshi Fujimura, Naoki Yamane | 2014-05-13 |
| 8676073 | Toner transportation device, toner case, image forming apparatus, and method of controlling toner transportation device | Koji Murata, Naoki Mizutani, Takeshi Fujimura, Naoki Yamane | 2014-03-18 |
| 8355644 | Toner-remaining-amount detection sensor and toner storage container provided therewith | Naoki Yamane | 2013-01-15 |
| 8351827 | Powder supply device and image forming apparatus | — | 2013-01-08 |