Inventor
ISHIMARU YOSHITERU
JP7 patents
Patents
7 patentsUS6611008B2Aug 26, 2003
Heterojunction bipolar transistor capable of restraining the conductivity modulation of the ballast layer
SHARP KK24 citations91
US5876901AMar 2, 1999
Method for fabricating semiconductor device
SHARP KK18 citations82
US7573336B2Aug 11, 2009
Power amplifier and multistage amplification circuit including same
SHARP KK18 citations79
US6239608B1May 29, 2001
Method for analyzing schottky junction method for evaluating semiconductor wafer method for evaluating insulating film and schottky junction analyzing apparatus
SHARP KK5 citations73
US5942909AAug 24, 1999
Method for analyzing Schottky junction, method for evaluating semiconductor wafer, method for evaluating insulating film, and Schottky junction analyzing apparatus
SHARP KK11 citations73
US6593604B2Jul 15, 2003
Heterojunction bipolar transistor, manufacturing method therefor, and communication device therewith
SHARP KK12 citations71
US5912480AJun 15, 1999
Heterojunction semiconductor device
SHARP KK5 citations62