Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6142461 | Sheet processing device | Takehiro Yamakawa | 2000-11-07 |
| 6120020 | Sheet post-processing devices | — | 2000-09-19 |
| 5971384 | Finishing apparatus and image forming apparatus using the same | — | 1999-10-26 |
| 5895036 | Finishing apparatus | — | 1999-04-20 |