ST

Shigeyoshi Takai

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,688,777 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5774310 Magnetic head and magnetic recording apparatus which prevent generation of a false magnetic head tending to disturb a previously formed magnetic recording track Fumio Sakai 1998-06-30