Issued Patents All Time
Showing 1–25 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12204267 | Sheet processing apparatus and image forming system | Jun Agata, Hiroharu Tsuji | 2025-01-21 |
| 11353817 | Sheet processing apparatus and image forming system | Jun Agata, Hiroharu Tsuji | 2022-06-07 |
| 11198581 | Sheet processing apparatus and image forming apparatus | Yuichiro Okawa, Yasuhiro Nakahara, Naoyuki Maeda | 2021-12-14 |
| 10358312 | Sheet processing apparatus and image forming apparatus | Yuichiro Okawa, Yasuhiro Nakahara, Naoyuki Maeda | 2019-07-23 |
| 10025251 | Image forming apparatus and sheet accommodation unit | Hiroharu Tsuji, Yohei Suzuki | 2018-07-17 |
| 9873585 | Image forming apparatus | Hiroharu Tsuji, Yohei Suzuki, Daisuke Kaneko | 2018-01-23 |
| 9821977 | Sheet storage device and image forming apparatus | Daisuke Kaneko, Hiroharu Tsuji, Yohei Suzuki, Ichiro Yasumaru | 2017-11-21 |
| 9817354 | Image forming apparatus and sheet accommodation unit | Hiroharu Tsuji, Yohei Suzuki | 2017-11-14 |
| 9791816 | Image forming apparatus and sheet accommodating device | Yohei Suzuki, Hiroharu Tsuji, Genki Takahashi | 2017-10-17 |
| 9617090 | Image forming apparatus that includes a plurality of sheet storage portions | Genki Takahashi, Hiroharu Tsuji, Yohei Suzuki, Daisuke Kaneko, Kazuhisa Sato +2 more | 2017-04-11 |
| 9567181 | Image forming apparatus | Hiroharu Tsuji, Yohei Suzuki, Daisuke Kaneko | 2017-02-14 |
| 9557702 | Image forming apparatus with curl correcting unit | Wataru Uchida, Ryo Iwasawa, Tomooku Koyama, Taro Ishifune, Mitsuhiro Ohta +1 more | 2017-01-31 |
| 9551971 | Sheet storage apparatus and image forming apparatus | Hiroharu Tsuji, Yohei Suzuki, Daisuke Kaneko | 2017-01-24 |
| 9388012 | Sheet storing apparatus and image forming apparatus equipped therewith | Yohei Suzuki, Hiroharu Tsuji | 2016-07-12 |
| 9354580 | Image forming apparatus | Genki Takahashi, Hiroharu Tsuji, Yohei Suzuki | 2016-05-31 |
| 9352926 | Sheet stacking apparatus, sheet storing apparatus, and image forming apparatus | Yohei Suzuki, Hiroharu Tsuji | 2016-05-31 |
| 9346646 | Image forming apparatus and image forming system | Hiroharu Tsuji, Yohei Suzuki, Genki Takahashi | 2016-05-24 |
| 9156645 | Sheet storage apparatus and image forming apparatus | Hiroharu Tsuji, Yohei Suzuki, Daisuke Kaneko | 2015-10-13 |
| 9075386 | Image forming apparatus with a curl correcting unit | Wataru Uchida, Ryo Iwasawa, Tomooku Koyama, Taro Ishifune, Mitsuhiro Ohta +1 more | 2015-07-07 |
| 8695971 | Sheet processing apparatus and image forming apparatus | Junichi Sekiyama, Atsushi Ogata, Hiroharu Tsuji, Yuri Yoshimura | 2014-04-15 |
| 8444141 | Sheet processing apparatus and image forming apparatus provided with the same | Junichi Sekiyama, Atsushi Ogata, Hiroharu Tsuji | 2013-05-21 |
| 8382109 | Sheet conveying apparatus and image forming apparatus | Hiroharu Tsuji, Atsushi Ogata, Junichi Sekiyama | 2013-02-26 |
| 8360421 | Sheet processing apparatus and image forming apparatus | Hiroharu Tsuji, Junichi Sekiyama, Tomooku Koyama, Masatoshi Yoshida | 2013-01-29 |
| 8170463 | Sheet processing apparatus and image forming apparatus | Atsushi Ogata, Junichi Sekiyama, Hiroharu Tsuji | 2012-05-01 |
| 8132803 | Sheet processing apparatus and image forming apparatus | Atsushi Ogata, Junichi Sekiyama, Hiroharu Tsuji, Akihiro Nakamura | 2012-03-13 |