YS

Yasuhiro Samejima

VK Vital Kogyo Kabushiki Kaisha: 4 patents #2 of 4Top 50%
Overall (All Time): #1,267,876 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6578824 Overload-preventing device for winch — 2003-06-17
6517054 Lever hoist with overload preventing device — 2003-02-11
6352243 Chain hoist with overload prevent device — 2002-03-05
5769398 Lever hoist — 1998-06-23