SU

Shozo Umetsu

SA Showa Aluminum: 1 patents #18 of 39Top 50%
Overall (1989): #56,585 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4824494 Aluminum-based alloy foil for negative electrodes of electrolytic capacitors Takeshi Nishizaki 1989-04-25