YI

Yasuhiko Ishigami

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
Overall (All Time): #4,080,790 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4366470 Converter Akira Takanashi 1982-12-28