Membership
Tour
Register
Log in
Kouichiro Yamaguchi
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Tone signal circuit and wireless receiver
Patent number
8,731,112
Issue date
May 20, 2014
Icom Incorporated
Kouichiro Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Level conversion circuit
Patent number
8,334,710
Issue date
Dec 18, 2012
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Phase locked loop circuit with variable voltage sources
Patent number
8,305,155
Issue date
Nov 6, 2012
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Charge pump circuit and PLL circuit using the same
Patent number
8,188,777
Issue date
May 29, 2012
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low noise amplifier
Patent number
7,843,272
Issue date
Nov 30, 2010
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Differential amplifier
Patent number
7,737,783
Issue date
Jun 15, 2010
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low noise amplifier and differential amplifier
Patent number
7,633,344
Issue date
Dec 15, 2009
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Variable gain amplifier and differential amplifier
Patent number
7,501,891
Issue date
Mar 10, 2009
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Variable gain amplifier and differential amplifier
Patent number
7,339,432
Issue date
Mar 4, 2008
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
TONE SIGNAL CIRCUIT AND WIRELESS RECEIVER
Publication number
20120093264
Publication date
Apr 19, 2012
Icom Incorporated
Kouichiro YAMAGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LEVEL CONVERSION CIRCUIT
Publication number
20110204921
Publication date
Aug 25, 2011
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CHARGE PUMP CIRCUIT AND PLL CIRCUIT USING THE SAME
Publication number
20110050302
Publication date
Mar 3, 2011
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Phase Locked Loop Circuit
Publication number
20100253438
Publication date
Oct 7, 2010
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
LOW NOISE AMPLIFIER
Publication number
20100052784
Publication date
Mar 4, 2010
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIFFERENTIAL AMPLIFIER
Publication number
20090195312
Publication date
Aug 6, 2009
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
LOW NOISE AMPLIFIER AND DIFFERENTIAL AMPLIFIER
Publication number
20090108937
Publication date
Apr 30, 2009
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Variable gain amplifier and differential amplifier
Publication number
20070279131
Publication date
Dec 6, 2007
Icom Incorporated
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Variable gain amplifier and differential amplifier
Publication number
20070159251
Publication date
Jul 12, 2007
Kouichiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY