HH

Hisao Hara

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #105,574 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4808490 Plasma sprayed film resistor heater Yasuo Tsukuda 1989-02-28