Inventor · disambiguated record
Shozo Umetsu
Also filed as: UMETSU SHOZO
2 granted patents·7 citations·filing 1988–1994
51Inventor score
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2 records- 0136US5417839AMethod for manufacturing aluminum foils used as electrolytic capacitor electrodesSHOWA ALUMINUM CORP·Filed 1994·Granted May 23, 1995·6 cites·4 claims
- 0221US4824494AAluminum-based alloy foil for negative electrodes of electrolytic capacitorsSHOWA ALUMINIUM CO LTD·Filed 1988·Granted Apr 25, 1989·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →