TO

Toru Otsubo

HI Hitachi: 25 patents #1,255 of 28,497Top 5%
HI Hitach: 1 patents #1 of 68Top 2%
Overall (All Time): #156,379 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
4420233 Projecting apparatus Mineo Nomoto, Katsuhiro Iwashita, Susumu Aiuchi 1983-12-13