Inventor
TAKEKAWA KOJI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “TAKEKAWA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
10 patentsUS6347221B1Feb 12, 2002
Orthogonal modulator having a modulation mixer
FUJITSU LTD21 citations91
US9337732B2May 10, 2016
Charge and discharge signal circuit and DC-DC converter
FUJITSU LTD14 citations82
US7271595B2Sep 18, 2007
Sensor detection apparatus and sensor
FUJITSU LTD13 citations82
US7250773B2Jul 31, 2007
Circuit for detecting difference in capacitance
FUJITSU LTD10 citations82
US6466065B1Oct 15, 2002
Prescaler and PLL circuit
FUJITSU LTD14 citations82
US7119555B2Oct 10, 2006
Circuit for detecting difference in capacitance
FUJITSU LTD9 citations72
US6795516B1Sep 21, 2004
Reset circuit and pll frequency synthesizer
FUJITSU LTD9 citations72
US7355481B2Apr 8, 2008
Amplification circuit and control method of amplification circuit
FUJITSU LTD3 citations61
US7336107B2Feb 26, 2008
Comparator circuit and control method thereof
FUJITSU LTD2 citations58
US7345536B2Mar 18, 2008
Amplifier circuit and control method thereof
FUJITSU LTD1 citations50