Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338088 | Document sheet conveying device capable of achieving large capacity of sheet feed tray | Takafumi Nakagawa, Ren ISODA, Hirofumi Hagihara | 2025-06-24 |
| 12221306 | Document conveying device | Takafumi Nakagawa | 2025-02-11 |
| 11652938 | Document conveyance device and image forming system | Takafumi Nakagawa | 2023-05-16 |
| 11572246 | Document conveying apparatus that properly discharges documents regardless of amount of documents | Yoshiaki Tashiro, Kenichiro Kawasaki, Takafumi Nakagawa, Hirofumi Hagihara | 2023-02-07 |
| 11390481 | Document conveyance apparatus | Kenichiro Kawasaki, Yoshiaki Tashiro, Takafumi Nakagawa, Hirofumi Hagihara | 2022-07-19 |
| 11252294 | Document conveyance apparatus | Takafumi Nakagawa, Yoshiaki Tashiro, Kenichiro Kawasaki, Hirofumi Hagihara | 2022-02-15 |
| 11016596 | Input device and image processing apparatus | Yoshiaki Tashiro | 2021-05-25 |
| 10824096 | Image forming apparatus that forms image on recording paper | Tetsuya Toichi | 2020-11-03 |
| 10656883 | Operation switch device, image forming apparatus | Yoshiaki Tashiro | 2020-05-19 |
| 10139752 | Image forming apparatus, toner case attachable to image forming apparatus | Koji Murata | 2018-11-27 |
| 10126688 | Transfer unit and image forming apparatus including same | Yoshiaki Tashiro, Masafumi Miki | 2018-11-13 |
| 9841726 | Image forming apparatus | — | 2017-12-12 |
| 9274459 | Image forming apparatus including meandering correction roller | — | 2016-03-01 |
| 9122186 | Image forming apparatus with endless belt and method for calculating meandering amount of belt | — | 2015-09-01 |
| 8634750 | Cam driving mechanism, and belt transporting apparatus and image forming apparatus therewith | Terumitsu Noso, Lin Lu | 2014-01-21 |