KS

Katsuyoshi Sakamoto

AC Amada Co.: 7 patents #25 of 479Top 6%
Overall (All Time): #768,372 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4901427 Punch press Takeshi Takahashi 1990-02-20
4843704 Tool exchange apparatus Takeshi Takahashi 1989-07-04
4680955 Die exchange device 1987-07-21
4658625 Bending machine and a die changing system for such bending machine Shigeo Koyama 1987-04-21
4656861 Bending machine and a die changing system for such bending machine Shigeo Koyama 1987-04-14
4558616 Punch press having retractable punching tools 1985-12-17
4412469 Turret punch presses having tool holders rotatably mounted in the turrets Tadashi Hirata 1983-11-01