Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776453 | Tightening device and tightening method | Katsuhiro Fujimoto, Tatsuo Hirai, Yukio Torigai, Tatsuo Nakahata, Manabu Saito +1 more | 2017-10-03 |
| 9645026 | Tightening device | Katsuhiro Fujimoto, Tatsuo Hirai, Yukio Torigai, Tatsuo Nakahata, Manabu Saito +1 more | 2017-05-09 |
| 8264374 | Wireless data transmitting and receiving system | Takayoshi Obatake, Yasunobu Kaneyama, Tatsuo Hirai | 2012-09-11 |
| 8200287 | Antenna switching method of wireless communication system | Takayoshi Obatake | 2012-06-12 |
| 7992455 | Tightening torque measuring unit | Tatsuo Hirai | 2011-08-09 |
| 7595601 | Electric bolt/nut fastener | — | 2009-09-29 |
| D569207 | Bolt and nut tightening device | Yukio Torigai, Katsuhiro Fujimoto | 2008-05-20 |
| 7135791 | Electric tightening device | Yukio Torigai | 2006-11-14 |
| 7011000 | Bolt or nut tightening device having reaction force receiving member | Yukio Torigai | 2006-03-14 |