HI

Hiroichi Ishikawa

SO Sony: 18 patents #2,315 of 25,231Top 10%
TC Toko Co.: 4 patents #27 of 196Top 15%
LL Lateral Research Limited Liability: 3 patents #23 of 92Top 25%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
📍 Kawaguchi, NJ: #2 of 2 inventorsTop 100%
Overall (All Time): #144,745 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4449175 Switching regulator Masanori Ishii 1984-05-15
4442397 Direct current power circuit Toshio Mikami 1984-04-10