Inventor · disambiguated record
Masatake Hirai
Also filed as: HIRAI MASATAKE
7 granted patents·426 citations·filing 1985–1991
88Inventor score
Top patents by PatentIndex Score
7 records- 0196US5013956ALining material and ultrasonic wave driven motor using lining materialMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted May 7, 1991·305 cites·6 claims
- 0281US4639707ATransformer with toroidal magnetic coreALLIED CORP·Filed 1986·Granted Jan 27, 1987·31 cites·4 claims
- 0380US5055815AStationary induction electric apparatusDAIHEN CORP·Filed 1989·Granted Oct 8, 1991·28 cites·3 claims
- 0469US4649248AAnnealing furnace for annealing magnetic cores in a magnetic fieldALLIED CORP·Filed 1985·Granted Mar 10, 1987·13 cites·4 claims
- 0557US4972573AMethod of manufacturing wound transformer coresDAIHEN CORP·Filed 1989·Granted Nov 27, 1990·17 cites·9 claims
- 0657US4970776AMethod of manufacturing a stationary induction electric apparatusDAIHEN CORP·Filed 1990·Granted Nov 20, 1990·16 cites·4 claims
- 0748US5226222AFabrication 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 →