Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648580 | Direct-drive type electro-hydraulic servo valve | Hiroaki Kuwano, Toshiro Matsushita, Teruaki Motomiya | 1987-03-10 |
| 4403511 | Hydraulic vibration tester | Makoto Shibano, Hisatake Yasuyama | 1983-09-13 |