YU

Yukihide Umeda

CL Copal Company Limited: 1 patents #52 of 139Top 40%
NC Nidec Copal: 1 patents #87 of 172Top 55%
Overall (All Time): #2,229,777 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6276923 Mold for manufacturing an impeller for an axial fan Hiroyuki Shingai 2001-08-21
6065936 Axial fan, method of manufacturing impeller for axial fan, and mold for manufacturing impeller for axial fan Hiroyuki Shingai 2000-05-23