KK

Kenji Koiwa

SM Smc: 3 patents #299 of 737Top 45%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,617,581 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6497172 Rotary actuator with cushion mechanism Akihiro Hirano, Kiyoshi Takeuchi 2002-12-24
6435072 Rotary actuator with cushion mechanism Akihiro Hirano, Kiyoshi Takeuchi 2002-08-20
6431048 Combination actuator with speed variable mechanism Kaichiro Mitsui 2002-08-13