Inventor · disambiguated record
Nobuyuki Sumida
Also filed as: SUMIDA NOBUYUKI
4 granted patents·66 citations·filing 1985–1991
78Inventor score
Top patents by PatentIndex Score
4 records- 0171US4631509AElectrical induction apparatus with support inside casingALLIED CORP·Filed 1985·Granted Dec 23, 1986·21 cites·5 claims
- 0257US4972573AMethod of manufacturing wound transformer coresDAIHEN CORP·Filed 1989·Granted Nov 27, 1990·17 cites·9 claims
- 0351US4637563AToroidal winding apparatusDAIHEN CORP·Filed 1985·Granted Jan 20, 1987·12 cites·4 claims
- 0448US5226222AFabrication method for transformers with an amorphous coreDAIHEN CORP·Filed 1991·Granted Jul 13, 1993·16 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →