Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681143 | Electromagnetic directional control valve | Hiroki Sato, Yuji Yokoya, Kazuo Masaki, Kiyohara Nakagawa, Syuuji Murata | 1987-07-21 |
| 4541302 | Support structure for power transmission cables | Keniti Yamamoto, Tenji Suzuki | 1985-09-17 |