Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6966365 | Outflow prevention device | Hisatoshi Hirota | 2005-11-22 |
| 6957663 | Solenoid control valve | Hisatoshi Hirota, Yuusuke Inoue, Toshiyuki Shiota | 2005-10-25 |
| 6860294 | Four-way switching valve | Hisatoshi Hirota, Katsumi Koyama | 2005-03-01 |