HA

Hisashi Akatani

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #4,032,198 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4441001 Keyboard for inputting plural letters or symbols Ryuzo Miyano, Haruyuki Uenishi, Takenori Akamine 1984-04-03