Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722257 | Workpiece high-speed pressurizing method and mechanism by using cylinder with cushioning mechanism | Seikai Yoh, Hitoshi Yamamoto, Nobuhiro Fujiwara | 2004-04-20 |
| 6675994 | Fluid squirt gun | Hitoshi Yamamoto, Kenji Fukushima | 2004-01-13 |