GA

Goro Aoyama

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #110,284 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4869647 Circular electromagnetic flow coupler Ryuhei Kawabe, Takashi Ikeda, Tadashi Goto 1989-09-26