HU

Hiroo Usui

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,054,712 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4394191 Stacked polycrystalline silicon film of high and low conductivity layers Yasuo Wada, Makoto Ohkura, Masanobu Miyao, Masao Tamura, Takashi Tokuyama 1983-07-19