Inventor
YAMAGUCHI KOUICHIRO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI KOUICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ICOM INC
5 patentsUS7843272B2Nov 30, 2010
Low noise amplifier
ICOM INC11 citations82
US7737783B2Jun 15, 2010
Differential amplifier
ICOM INC11 citations82
US7633344B2Dec 15, 2009
Low noise amplifier and differential amplifier
ICOM INC11 citations82
US7501891B2Mar 10, 2009
Variable gain amplifier and differential amplifier
ICOM INC3 citations60
US7339432B2Mar 4, 2008
Variable gain amplifier and differential amplifier
ICOM INC5 citations60
YAMAGUCHI KOUICHIRO
4 patentsUS8188777B2May 29, 2012
Charge pump circuit and PLL circuit using the same
YAMAGUCHI KOUICHIRO6 citations69
US8305155B2Nov 6, 2012
Phase locked loop circuit with variable voltage sources
YAMAGUCHI KOUICHIRO4 citations59
US8731112B2May 20, 2014
Tone signal circuit and wireless receiver
YAMAGUCHI KOUICHIRO0 citations38
US8334710B2Dec 18, 2012
Level conversion circuit
YAMAGUCHI KOUICHIRO0 citations38