Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231902 | Pneumatically operated screw driver | Akira Uno, Yasuyuki Hirano, Satoshi Kuno, Isamu Tanji | 1993-08-03 |
| 5129467 | Electric hammer drill having dust collecting device | Yoshihiko Watanabe, Masaaki Sekizawa | 1992-07-14 |