Inventor
SHIGEMATSU HISAO
JP9 patents
Patents
9 patentsUS6399971B1Jun 4, 2002
Semiconductor device and method for fabricating the same
FUJITSU LTD23 citations92
US6864750B2Mar 8, 2005
Cascode distributed amplifier
FUJITSU LTD44 citations91
US6472941B2Oct 29, 2002
Distributed amplifier with terminating circuit capable of improving gain flatness at low frequencies
FUJITSU LTD26 citations91
US7804357B2Sep 28, 2010
Distributed amplifier
FUJITSU LTD9 citations82
US7782140B2Aug 24, 2010
Analog circuit
FUJITSU LTD9 citations82
US7323947B2Jan 29, 2008
Oscillator circuit
FUJITSU LTD9 citations82
US6930557B2Aug 16, 2005
Multi-stage amplifier
FUJITSU LTD16 citations82
US7928815B2Apr 19, 2011
Amplifier
FUJITSU LTD2 citations61
US10651305B2May 12, 2020
Compound semiconductor device with quantum well structure, power supply device, and high-frequency amplifier
FUJITSU LTD0 citations51