TU

Tetsuro Urushima

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,287,773 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5428617 Data transmission system for portable terminal device — 1995-06-27
5287298 Oscillation control apparatus for a portable battery-driven terminal — 1994-02-15