SU

Sanpei Usui

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,010,291 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4499859 Vapor generator Akira Nishiguchi, Tomihisa Oouchi, Kazumi Iwai 1985-02-19