TH

Tatsuo Hirai

MI Maeda Metal Industries: 7 patents #3 of 21Top 15%
SU Subaru: 2 patents #413 of 1,436Top 30%
TC Tone Co.: 2 patents #3 of 16Top 20%
Overall (All Time): #570,631 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9776453 Tightening device and tightening method Katsuhiro Fujimoto, Toshihiko Kushida, Yukio Torigai, Tatsuo Nakahata, Manabu Saito +1 more 2017-10-03
9645026 Tightening device Katsuhiro Fujimoto, Toshihiko Kushida, Yukio Torigai, Tatsuo Nakahata, Manabu Saito +1 more 2017-05-09
8264374 Wireless data transmitting and receiving system Takayoshi Obatake, Yasunobu Kaneyama, Toshihiko Kushida 2012-09-11
7992455 Tightening torque measuring unit Toshihiko Kushida 2011-08-09
7886635 Bolt or nut tightening device Yasunobu Kaneyama 2011-02-15
7757587 Bolt or nut tightening device Yasunobu Kaneyama 2010-07-20
D605539 Power increasing device with a display for wrench Yasunobu Kaneyama 2009-12-08
7275450 Tightening torque measuring unit and torque indicating tightening device Yasunobu Kaneyama 2007-10-02
D551998 Torque measuring device Yasunobu Kaneyama 2007-10-02