Inventor
MUKAI TOUJI
JP6 patents
Patents
6 patentsUS4921811AMay 1, 1990
Semiconductor integrated circuit device and a method for manufacturing the same
HITACHI LTD33 citations95
US4799098AJan 17, 1989
MOS/bipolar device with stepped buried layer under active regions
HITACHI LTD25 citations92
US5508549AApr 16, 1996
Semiconductor integrated circuit device and a method for manufacturing the same
HITACHI LTD18 citations81
US4980744ADec 25, 1990
Semiconductor integrated circuit device and a method for manufacturing the same
HITACHI LTD20 citations81
US5672897ASep 30, 1997
Bimos semiconductor integrated circuit device including high speed vertical bipolar transistors
HITACHI LTD7 citations73
US5049967ASep 17, 1991
Semiconductor integrated circuit device and a method for manufacturing the same
HITACHI LTD7 citations73