SU

Syozo Umetsu

SA Showa Aluminum: 1 patents #122 of 253Top 50%
Overall (All Time): #2,328,081 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4800133 Aluminum alloy foil for cathode of electrolytic capacitors Kozo Arai, Takao Suzuki 1989-01-24
4401489 Aluminum alloy foils for cathodes of electrolytic capacitors Kozo Arai, Takao Suzuki 1983-08-30