HK

Hiromitsu Katoh

HC Hitachi Seiki Co.: 1 patents #9 of 38Top 25%
📍 Abiko, JP: #193 of 277 inventorsTop 70%
Overall (All Time): #3,963,953 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4788636 Interactive device for entering graphic data Hidefumi Shiratori, Seishu Kawashima 1988-11-29