Issued Patents All Time
Showing 25 most recent of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE46875 | Sheet processing apparatus | Keiko Fujita, Daisaku Kamiya, Yasuo Fukatsu, Takako Hanada, Takayuki Fujii +2 more | 2018-05-29 |
| 9833967 | Sheet processing apparatus and image forming apparatus | Kiyoshi Watanabe, Naoto Tokuma, Toshiyuki Iwata, Akito Sekigawa | 2017-12-05 |
| 9592973 | Sheet feeding apparatus and image forming apparatus | Tomohito Nakagawa | 2017-03-14 |
| 9434561 | Sheet stacking device, sheet feeding device and image forming apparatus | Tomohito Nakagawa | 2016-09-06 |
| 9272857 | Sheet stacking apparatus, sheet feeding apparatus, and image forming apparatus | Tomohito Nakagawa | 2016-03-01 |
| 9193544 | Sheet stacking device, sheet feeding device and image forming apparatus | Tomohito Nakagawa | 2015-11-24 |
| 9010744 | Sheet processing apparatus and image forming apparatus | Naoto Tokuma, Rikiya Takemasa | 2015-04-21 |
| 8770582 | Sheet processing apparatus and image forming apparatus | — | 2014-07-08 |
| 8752837 | Sheet storage device and image forming apparatus | Toshiyuki Iwata, Daisaku Kamiya, Naoto Tokuma, Toshiki Momoka | 2014-06-17 |
| 8668199 | Sheet conveyance apparatus and image forming system | Hideto Abe, Toshiyuki Iwata, Yohei Gamo | 2014-03-11 |
| 8657283 | Sheet stacking apparatus and image forming apparatus | Toshiyuki Iwata | 2014-02-25 |
| 8651480 | Sheet stacking apparatus and image forming apparatus | Kiyoshi Watanabe, Toshiyuki Iwata | 2014-02-18 |
| 8622386 | Sheet storage apparatus and image forming apparatus | Toshiki Momoka, Daisaku Kamiya, Naoto Tokuma, Toshiyuki Iwata | 2014-01-07 |
| 8616547 | Sheet processing apparatus and image forming apparatus including same | Yusuke Obuchi, Toshiyuki Iwata, Rikiya Takemasa | 2013-12-31 |
| 8550461 | Sheet stacking apparatus and image forming apparatus | Akito Sekigawa, Daisaku Kamiya, Kiyoshi Watanabe, Yusuke Obuchi | 2013-10-08 |
| 8528898 | Sheet conveying apparatus, sheet processing apparatus, and image forming apparatus | — | 2013-09-10 |
| 8511665 | Sheet processing apparatus and image forming apparatus | Toshiyuki Iwata, Yusuke Obuchi, Rikiya Takemasa | 2013-08-20 |
| 8500122 | Sheet conveying apparatus, sheet processing apparatus, and image forming apparatus | Akito Sekigawa | 2013-08-06 |
| 8422937 | Sheet processing apparatus and image forming apparatus | Kenichi Hayashi, Hitoshi Fujimoto, Takaharu Hayasaka, Shigeo Doi | 2013-04-16 |
| 8267399 | Sheet processing apparatus and image forming apparatus including same | Yusuke Obuchi, Toshiyuki Iwata, Rikiya Takemasa | 2012-09-18 |
| 8172224 | Sheet discharge apparatus, sheet processing apparatus, and image forming apparatus | — | 2012-05-08 |
| 8139998 | Sheet processing apparatus and image forming apparatus | Takaharu Hayasaka, Kenichi Hayashi, Hitoshi Fujimoto, Shigeo Doi | 2012-03-20 |
| 8113499 | Sheet processing apparatus and image forming apparatus provided with the same | Taro Ikeda, Hiroaki Takagishi, Kenichi Hayashi, Tomokazu Nakamura, Wataru Kawata +1 more | 2012-02-14 |
| 7887036 | Sheet processing apparatus and image forming apparatus | Kenichi Hayashi, Hitoshi Fujimoto, Takaharu Hayasaka, Shigeo Doi | 2011-02-15 |
| 7887037 | Sheet process apparatus | Daisaku Kamiya | 2011-02-15 |