HF

Hiroshi Fukui

HI Hitachi: 2 patents #87 of 1,214Top 8%
Overall (1982): #13,043 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4319317 D.C. Power supply Hisao Amano 1982-03-09
4315274 Thyristor with switchable capacitor between auxiliary thyristor cathode and main thyristor gate regions Shin Kimura 1982-02-09