Inventor
NIWAYAMA KAZUHIKO
JP11 patents
Patents
11 patentsUS5278434AJan 11, 1994
Pressure engagement structure for a full press-pack type semiconductor device
MITSUBISHI ELECTRIC CORP28 citations91
US5121189AJun 9, 1992
Semiconductor device and method of manufacturing the same
MITSUBISHI ELECTRIC CORP23 citations91
US4881118ANov 14, 1989
Semiconductor device
MITSUBISHI ELECTRIC CORP35 citations91
US5346859ASep 13, 1994
Method for fabricating a full press-pack type semiconductor device
MITSUBISHI ELECTRIC CORP19 citations81
US4790620ADec 13, 1988
Optical coupling device for a photo-semiconductor element and an optical fiber
MITSUBISHI ELECTRIC CORP20 citations81
US5637886AJun 10, 1997
Thyristor with improved dv/dt resistance
MITSUBISHI ELECTRIC CORP9 citations73
US5345095ASep 6, 1994
Self arc-extinguishing thyristor and method of manufacturing the same
MITSUBISHI ELECTRIC CORP7 citations72
US4797727AJan 10, 1989
Thyristor with aligned trigger guide
MITSUBISHI ELECTRIC CORP3 citations61
US5574297ANov 12, 1996
Gate turnoff thyristor with reduced gate trigger current
MITSUBISHI ELECTRIC CORP5 citations56
US5428229AJun 27, 1995
Pressure contact type MOS semiconductor device and fabrication method of the same
MITSUBISHI ELECTRIC CORP5 citations54
US4974047ANov 27, 1990
Light triggered thyristor
MITSUBISHI ELECTRIC CORP1 citations51