Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696513 | Chucking device for machine tools | Akira Nobukawa, Yoshihiro Kuroki | 1987-09-29 |
| 4523632 | Cooling system of rotary fluid pressure cylinder for chucking in machine tools | Akira Nobukawa | 1985-06-18 |