Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839332 | Screw guide in linked-screw tightener | Takeo Fujiyama | 1998-11-24 |
| 5671645 | Screw supply device for coupled screw tightening machine | Keishiro Murayama | 1997-09-30 |
| 5664468 | Screw tightening machine | Keijiro Murayama | 1997-09-09 |