KS

Kooji Suzuki

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,992,739 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4578730 High-voltage DC circuit breaker apparatus Shunji Tokuyama, Kunio Hirasawa, Yoshio Yoshioka, Keiji Arimatsu 1986-03-25