Inventor
TSUKUDA KIYOSHI
JP7 patents
Patents
7 patentsUS4921811AMay 1, 1990
Semiconductor integrated circuit device and a method for manufacturing the same
HITACHI LTD33 citations95
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
US4257060AMar 17, 1981
Semiconductor switch
HITACHI LTD3 citations61
US4361846ANov 30, 1982
Lateral type semiconductor devices with enlarged, large radii collector contact regions for high reverse voltage
HITACHI LTD6 citations60