YI

Yasunori Iwafuji

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #42,149 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4858096 Resonant converter for stabilized operation of switching devices Kenichi Onda, Yasuo Matsuda, Kojin Abe, Hiroyuki Aoyama, Hideo Yoshinaka 1989-08-15