Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870744 | Tool exchange system for machining tools | Hiroshi Araki, Hisao Ishii, Hiroshi Kamada, Takashi Nagatomi | 1989-10-03 |
| 4745673 | Spindle head unit of a machining center | Hiroshi Araki, Toshiyuki Aso | 1988-05-24 |