SU

Shozo Umetsu

SA Showa Aluminum: 2 patents #70 of 253Top 30%
Overall (All Time): #2,286,976 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5417839 Method for manufacturing aluminum foils used as electrolytic capacitor electrodes Masashi Sakaguchi, Tadao Fujihira, Kiyoshi Tada, Hisatsugu Nakaya, Takashi Tamura 1995-05-23
4824494 Aluminum-based alloy foil for negative electrodes of electrolytic capacitors Takeshi Nishizaki 1989-04-25