TK

Tutomu Kanno

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,650,499 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5452170 Commutation type DC breaker Shinichi Ohde, Shigetoshi Ouchi, Haruo Honda, Toru Yoshida, Yukio Kugoh 1995-09-19
5402297 Commutating type DC circuit breaker arrangement Shigetoshi Ouchi, Haruo Honda, Toru Yoshida, Yukio Kugoh, Fumihisa Ichikawa +2 more 1995-03-28
5115389 DC power supply circuit arrangement Shigetoshi Ouchi, Tatsuji Shirouzu, Shinichi Ode, Takasi Ichinose 1992-05-19