Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053080 | Device for tightening bolt and/or nut | Yasunobu Kaneyama, Daijiro Yano, Shozo Matsumura, Kenji Sato, Yoshiyuki Umemoto | 2000-04-25 |
| 5513546 | Device for fastening and loosening threaded members | Seiji Ikeda | 1996-05-07 |
| D360568 | Bolt fastening device | Seiji Ikeda | 1995-07-25 |