Inventor · disambiguated record
Kazuhiko Niwayama
Also filed as: NIWAYAMA KAZUHIKO
11 granted patents·155 citations·filing 1981–1995
91Inventor score
Files withMITSUBISHI ELECTRIC CORP11
Top patents by PatentIndex Score
11 records- 0167US4881118ASemiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Nov 14, 1989·35 cites·12 claims
- 0264US4790620AOptical coupling device for a photo-semiconductor element and an optical fiberMITSUBISHI ELECTRIC CORP·Filed 1981·Granted Dec 13, 1988·20 cites·3 claims
- 0361US5278434APressure engagement structure for a full press-pack type semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Jan 11, 1994·28 cites·7 claims
- 0453US5121189ASemiconductor device and method of manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jun 9, 1992·23 cites·18 claims
- 0552US5346859AMethod for fabricating a full press-pack type semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Sep 13, 1994·19 cites·4 claims
- 0639US5637886AThyristor with improved dv/dt resistanceMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jun 10, 1997·9 cites·32 claims
- 0738US5345095ASelf arc-extinguishing thyristor and method of manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Sep 6, 1994·7 cites·17 claims
- 0830US4797727AThyristor with aligned trigger guideMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Jan 10, 1989·3 cites·14 claims
- 0929US4974047ALight triggered thyristorMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Nov 27, 1990·1 cites·6 claims
- 1028US5574297AGate turnoff thyristor with reduced gate trigger currentMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Nov 12, 1996·5 cites·17 claims
- 1125US5428229APressure contact type MOS semiconductor device and fabrication method of the sameMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jun 27, 1995·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →