Inventor
DOI TAKEHITO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “DOI TAKEHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
8 patentsUS6757349B1Jun 29, 2004
PLL frequency synthesizer with lock detection circuit
FUJITSU LTD24 citations92
US5124776AJun 23, 1992
Bipolar integrated circuit having a unit block structure
FUJITSU LTD36 citations91
US5534821AJul 9, 1996
Charge pump circuits for PLL frequency synthesizer
FUJITSU LTD21 citations90
US6853257B2Feb 8, 2005
PLL circuit including a voltage controlled oscillator and a method for controlling a voltage controlled oscillator
FUJITSU LTD28 citations89
US5388055AFeb 7, 1995
Semiconductor integrated circuit having polycell structure and method of designing the same
FUJITSU LTD39 citations89
US7250773B2Jul 31, 2007
Circuit for detecting difference in capacitance
FUJITSU LTD10 citations82
US7119555B2Oct 10, 2006
Circuit for detecting difference in capacitance
FUJITSU LTD9 citations72
US5528171AJun 18, 1996
ECL-to-CMOS signal level converter
FUJITSU LTD18 citations72