Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148454 | Sheet bundle discharging apparatus and bookbinding apparatus | Koji Okamoto, Keiichi Nagasawa, Dai Matsubara | 2021-10-19 |
| 10131070 | Sheet punching device and image forming apparatus | Masato Nonaka | 2018-11-20 |
| 8511530 | Stapler and staple | Ken Yonekawa | 2013-08-20 |
| 7726638 | Sheet processing apparatus and image forming apparatus | — | 2010-06-01 |