Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7866930 | Bolt | Yoshihiro Murase, Tetsuya Oosawa, Sadayoshi Hasegawa | 2011-01-11 |
| 7160073 | Tapping screw | Hiromichi Mizuno, Kenya Yamada | 2007-01-09 |
| 6796761 | Bolt and nut | Hiromichi Mizuno, Masahiko Hamada, Tetsuya Osawa, Kazuhiro Aoyama | 2004-09-28 |