Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7267642 | Automatic tool changing device and working machine | Takao Arai, Takeshi Momochi, Yukio Teshima, Norio Yamanishi | 2007-09-11 |
| 7229396 | Tool replacement method and nut driver for machine tools | Takeshi Momochi, Masahiko Takasugi, Takao Arai | 2007-06-12 |
| 7144355 | Tool replacement method and nut driver for machine tools | Takeshi Momochi, Masahiko Takasugi, Takao Arai | 2006-12-05 |