Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9610630 | Closed-die forging method and method of manufacturing forged article | Koji Sato | 2017-04-04 |
| 9427793 | Hot upset forging method | Takashi Toga, Hideki Matsumoto | 2016-08-30 |
| 9221095 | Manufacturing method for a blade material | Koji Sato, Takashi Toga, Yoshihiro Wakazono, Hideki Matsumoto | 2015-12-29 |