Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723188 | Steel workpiece oil quenching method | Yoshikazu Shimosato, Kiyohiro Miyamoto | 2004-04-20 |
| 5492593 | Parts feeder | Naotugu Ariga, Yukio Suzuki, Etuo Minamihama, Takayuki Akatsuka | 1996-02-20 |