KA

Katsuzo Aihara

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #91,238 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4870379 Superconducting switching device Nobuhiro Hara, Naofumi Tada, Masahiro Ogihara, Katsuo Kouriki, Yasuo Suzuki 1989-09-26