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Hisayasu Sato
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Filter circuit and communication semiconductor device using the same
Patent number
8,116,715
Issue date
Feb 14, 2012
Renesas Electronics Corporation
Tomohiro Sano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Frequency mixer preventing degradation in linearity on amplitude of...
Patent number
7,382,175
Issue date
Jun 3, 2008
Renesas Technology Corp.
Takaya Maruyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Oscillator circuit and L load differential circuit achieving a wide...
Patent number
7,362,194
Issue date
Apr 22, 2008
Renesas Technology Corp.
Hiroshi Komurasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Oscillator circuit and L load differential circuit achieving a wide...
Patent number
7,202,754
Issue date
Apr 10, 2007
Renesas Technology Corp.
Hiroshi Komurasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Mixer circuit having component for frequency conversion
Patent number
6,826,393
Issue date
Nov 30, 2004
Renesas Technology Corp.
Hiroshi Komurasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Frequency voltage converter
Patent number
6,798,678
Issue date
Sep 28, 2004
Mitsubishi Denki Kabushiki Kaisha
Hiroshi Komurasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High linearity, high gain mixer circuit
Patent number
6,639,446
Issue date
Oct 28, 2003
Mitsubishi Denki Kabushiki Kaisha
Hiroshi Komurasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Gain control circuit for controlling operation of a variable-gain a...
Patent number
6,144,233
Issue date
Nov 7, 2000
Mitsubishi Denki Kabushiki Kaisha
Takaya Maruyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High speed ECL output circuit having reduced power consumption
Patent number
5,406,136
Issue date
Apr 11, 1995
Mitsubishi Denki Kabushiki Kaisha
Harufusa Kondoh
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
FILTER CIRCUIT AND COMMUNICATION SEMICONDUCTOR DEVICE USING THE SAME
Publication number
20120092065
Publication date
Apr 19, 2012
RENESAS ELECTRONICS CORPORATION
Tomohiro SANO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FILTER CIRCUIT AND COMMUNICATION SEMICONDUCTOR DEVICE USING THE SAME
Publication number
20090068976
Publication date
Mar 12, 2009
RENESAS TECHNOLOGY CORP.
Tomohiro SANO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Oscillator circuit and L load differential circuit achieving a wide...
Publication number
20070146089
Publication date
Jun 28, 2007
RENESAS TECHNOLOGY CORP.
Hiroshi Komurasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Oscillator circuit and L load differential circuit achieving a wide...
Publication number
20060071732
Publication date
Apr 6, 2006
Renesas Technology Corporation
Hiroshi Komurasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Frequency mixer preventing degradation in linearity on amplitude of...
Publication number
20050208922
Publication date
Sep 22, 2005
Renesas Technology Corp.
Takaya Maruyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Reception apparatus for receiving time-division signal
Publication number
20040190653
Publication date
Sep 30, 2004
RENESAS TECHNOLOGY CORP.
Ikuo Yasui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Oscillator circuit and L load differential circuit achieving a wide...
Publication number
20040183606
Publication date
Sep 23, 2004
RENESAS TECHNOLOGY CORP.
Hiroshi Komurasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High linearity, high gain mixer circuit
Publication number
20030052727
Publication date
Mar 20, 2003
Hiroshi Komurasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FREQUENCY VOLTAGE CONVERTER
Publication number
20020097592
Publication date
Jul 25, 2002
Hiroshi Komurasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE