Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D586640 | Bolt or nut tightening device | Yukio Torigai, Takayoshi Obatake | 2009-02-17 |
| D423899 | Inner socket | Sueharu Yasutomi, Daijiro Yano, Koichi Nakayama | 2000-05-02 |
| 6053080 | Device for tightening bolt and/or nut | Yasunobu Kaneyama, Daijiro Yano, Shinji Fukuhara, Kenji Sato, Yoshiyuki Umemoto | 2000-04-25 |
| D419845 | Inner socket | Sueharu Yasutomi, Daijiro Yano, Koichi Nakayama | 2000-02-01 |
| 5964128 | Bolt tightening device | Yasunobu Kaneyama, Daijiro Yano, Kenji Sato | 1999-10-12 |
| 5953965 | Device for tightening bolt and nut | Yasunobu Kaneyama, Kenji Sato | 1999-09-21 |
| 5582079 | Bolt tightening device | Sueharu Yasutomi | 1996-12-10 |
| 5490439 | Nut tightening device | Sueharu Yasutomi | 1996-02-13 |
| 5161437 | Device for tightening up nut on bolt | Sueharu Yasutomi | 1992-11-10 |
| 4467676 | Bolt tightening device having auxiliary handle | Seiji Ikeda, Katsuyuki Ono | 1984-08-28 |