HO

Hiroaki Ookubo

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
📍 Kurume, JP: #72 of 195 inventorsTop 40%
Overall (All Time): #2,344,936 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4710046 Platen clutch mechanism 1987-12-01
4697943 Electric platen driving device with manual override 1987-10-06