Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7171883 | Punching apparatus and the punching unit thereof | Toru Ishii | 2007-02-06 |
| 6655250 | Punching apparatus | Toru Ishii | 2003-12-02 |
| 5355634 | Tool holder unit for a robot | Hisashi Araki | 1994-10-18 |