Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399456 | Sheet finisher | Yusuke Obuchi, Masaya Takahashi, Seiji Nishizawa | 2025-08-26 |
| 11947301 | Sheet processing apparatus and image forming apparatus having the same | Yusuke Obuchi, Masaya Takahashi, Seiji Nishizawa | 2024-04-02 |
| 11829101 | Image forming apparatus with separately controllable airflow for exhaust of ozone and toner particles | Takashi Fujita | 2023-11-28 |
| 11822285 | Image forming apparatus with cooling fans positioned relative to arrangement direction of image forming stations | — | 2023-11-21 |
| 11579553 | Photo-interruptor unit, sheet conveyance apparatus and image forming apparatus | — | 2023-02-14 |
| 11520268 | Sheet processing apparatus and image forming apparatus having the same | Yusuke Obuchi, Masaya Takahashi, Seiji Nishizawa | 2022-12-06 |
| 11150588 | Sheet processing apparatus and image forming apparatus having the same | Yusuke Obuchi, Masaya Takahashi, Seiji Nishizawa | 2021-10-19 |
| 10705471 | Sheet processing apparatus and image forming apparatus having the same | Yusuke Obuchi, Masaya Takahashi, Seiji Nishizawa | 2020-07-07 |
| 10579005 | Sheet processing apparatus and image forming apparatus having the same | Yusuke Obuchi, Masaya Takahashi, Seiji Nishizawa | 2020-03-03 |
| 10538121 | Sheet processing apparatus and image forming apparatus | — | 2020-01-21 |
| 10507998 | Sheet processing apparatus and image forming apparatus | Yusuke Obuchi | 2019-12-17 |
| 10501279 | Sheet processing apparatus and image forming apparatus to detach a bound sheet bundle from a teeth portion | Rikiya Takemasa | 2019-12-10 |
| 10496023 | Sheet processing apparatus and image forming apparatus having the same | Yusuke Obuchi, Masaya Takahashi, Seiji Nishizawa | 2019-12-03 |
| 10369829 | Sheet processing apparatus and image forming apparatus | Yusuke Obuchi | 2019-08-06 |
| 10139761 | Photo interrupter unit, sheet conveyance apparatus and image forming apparatus | Koki Watanabe | 2018-11-27 |
| 10139768 | Image forming system | Yusuke Obuchi | 2018-11-27 |
| 10093512 | Apparatus having detachment unit for binding unit | Rikiya Takemasa | 2018-10-09 |
| 10071588 | Sheet processing apparatus and image forming apparatus | — | 2018-09-11 |
| 10053324 | Sheet processing apparatus and image forming apparatus with sheet binding using concavities and convexities | — | 2018-08-21 |
| 10048636 | Sheet binding apparatus and image forming apparatus having the same | Yusuke Obuchi, Masaya Takahashi, Seiji Nishizawa | 2018-08-14 |
| 10040662 | Sheet processing apparatus and image forming apparatus | Yusuke Obuchi | 2018-08-07 |
| 9994413 | Sheet processing device and image forming apparatus | — | 2018-06-12 |
| 9908736 | Sheet processing apparatus and image forming apparatus | Yusuke Obuchi | 2018-03-06 |
| 9902183 | Sheet processing apparatus and image forming apparatus | Yusuke Obuchi | 2018-02-27 |
| 9764920 | Sheet processing apparatus and image forming apparatus, having a binding unit with opposed surfaces to nip and bind a sheet bundle, and having a detachment unit to detach such bound sheet bundle from at least one of the surfaces | Rikiya Takemasa | 2017-09-19 |