H. Akiyama

Magnetic bubble propagation for the dual conductor current-access test circuit

T. Tsuruoka, T. Miyashita, T. Kawasaki, 1981 .

8000 V 1000 A gate turn-off thyristor with low on-state voltage and low switching loss

H. Akiyama, M. Kekura, M. Tani, 1989 .