Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5249882 | Self-tapping screw | Eiichi Nagoshi, Tetuya Akashi | 1993-10-05 |
| 5205694 | Self-tapping screw | Eiichi Nagoshi, Tetuya Akashi | 1993-04-27 |
| 5203657 | Self-tapping screw | Eiichi Nagoshi, Tetuya Akashi | 1993-04-20 |