Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396686 | Method for automatically tightening and untightening a bolt | Katsuhiko Yoshida, Yuji Nakajima, Kazuhiko Sakiyama | 1995-03-14 |
| 5245895 | Method and apparatus for automatically tightening and untightening a bolt | Katsuhiko Yoshida, Yuji Nakajima, Kuzuhiko Sakiyama | 1993-09-21 |