Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12181816 | Transport roller pair, fixing device, and image forming device | Hideaki Kurimoto | 2024-12-31 |
| 11868080 | Open and close detection device and image forming apparatus | — | 2024-01-09 |
| 11209770 | Frame body of image forming apparatus and image forming apparatus provided with the frame body | Shohtaroh Okamoto, Masafumi Sakamoto, Shinichi Takeda, Noriaki Taguchi | 2021-12-28 |
| 11054789 | Image forming apparatus provided with a duct | Masafumi Sakamoto | 2021-07-06 |
| 10877435 | Exhaust device having a plurality of intake ports and image forming apparatus including the same | Masafumi Sakamoto | 2020-12-29 |
| 10866148 | Detection device and image forming apparatus | Masafumi Sakamoto | 2020-12-15 |
| 10775719 | Duct mechanism and image forming apparatus including the same | Masafumi Sakamoto | 2020-09-15 |
| 10551787 | Waste toner collecting device and image forming apparatus | Yuji Sawa, Shinichi Takeda, Noriaki Taguchi, Hiroki Kanemitsu | 2020-02-04 |
| 10139772 | Waste toner detection mechanism and image forming apparatus | — | 2018-11-27 |
| 10108137 | Powder collection container and image forming apparatus including the same | — | 2018-10-23 |
| 10066681 | Drive transmission mechanism, sheet discharging apparatus, and image forming apparatus | — | 2018-09-04 |
| 9817359 | Waste toner detection mechanism and image forming apparatus | — | 2017-11-14 |
| 9746819 | Powder collection container and image forming apparatus including the same | — | 2017-08-29 |
| 9727020 | Developer conveyance device including spiral coil, and image forming device including the developer conveyance device | — | 2017-08-08 |
| 9389585 | Image forming apparatus including a detachable process unit and a positioning member | — | 2016-07-12 |
| 9122239 | Image forming apparatus including positioning member and detachable process unit | — | 2015-09-01 |
| 9052630 | Electrostatic charger and image forming apparatus | — | 2015-06-09 |
| 8649726 | Shutter device, toner storage unit and image forming apparatus | — | 2014-02-11 |
| 8331843 | Toner recovery unit and image forming device | Shinji Nakazawa | 2012-12-11 |
| 8131164 | Processing unit and image forming apparatus | Minoru Tomiyori | 2012-03-06 |
| 8068750 | Image forming apparatus with waste toner collecting device | — | 2011-11-29 |
| 8010015 | Charger and image forming apparatus using the charger | — | 2011-08-30 |
| 7620358 | Developer collecting apparatus having tiltable waste developer container | Susumu Murakami | 2009-11-17 |
| 7515838 | Developer collecting device and image forming apparatus having the same | Susumu Murakami | 2009-04-07 |
| 7403738 | Developer collecting apparatus and image forming apparatus having the same | Susumu Murakami, Yasuhiro Takai | 2008-07-22 |