Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11555546 | Shake-prevention-mechanism—including gate valve | Takashi Nagao | 2023-01-17 |
| 10323660 | Cylinder guide mechanism and cylinder with guide mechanism | Koichiro Ishibashi, Motohiro Sato, Nariaki Suzuki, Toshio Sato | 2019-06-18 |
| 10119566 | Linear actuator | Toshio Sato | 2018-11-06 |