OU

Osami Usui

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Tochigi, JP: #1,767 of 2,789 inventorsTop 65%
Overall (All Time): #3,816,510 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5183400 Pipe connection structure of a compressor Takemi Tada, Hirosi Tanaka 1993-02-02