FM

Fujihira Mitsuaki

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,866,999 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4981809 Method of forming a mask pattern for the production of transistor Masanori Nishiguchi 1991-01-01