Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730182 | Method for vibrating, melting and bonding resin parts | Yasuhiko Yamazaki, Takayuki Shibata, Akihiro Yada, Ryouji Iwamatsu | 2004-05-04 |
| 4691135 | Rotary driving device used for rotary actuator | Ichita Sogabe, Yuji Yokoya | 1987-09-01 |
| 4681143 | Electromagnetic directional control valve | Hiroki Sato, Yukitomo Sanada, Yuji Yokoya, Kazuo Masaki, Kiyohara Nakagawa | 1987-07-21 |