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Tamamura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High frequency power amplifier circuit and electronic component for...
Patent number
7,629,851
Issue date
Dec 8, 2009
Renesas Technology Corp.
Hirokazu Tsurumaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Radio frequency power amplifying module with hetero junction bipola...
Patent number
7,486,142
Issue date
Feb 3, 2009
Renesas Technology Corp.
Hirokazu Tsurumaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency power amplifier circuit and electronic component for...
Patent number
7,443,245
Issue date
Oct 28, 2008
Renesas Technology Corporation
Hirokazu Tsurumaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency power amplifier circuit
Patent number
7,333,564
Issue date
Feb 19, 2008
Renesas Technology Corp.
Hiroki Sugiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency power amplifier circuit
Patent number
7,332,966
Issue date
Feb 19, 2008
Renesas Technology Corp.
Tomio Furuya
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency power amplifier circuit and electronic component for...
Patent number
7,304,539
Issue date
Dec 4, 2007
Renesas Technology Corporation
Hirokazu Tsurumaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Phase-locked loop circuit and radio communication apparatus using t...
Patent number
7,266,171
Issue date
Sep 4, 2007
Renesas Technology Corp.
Taizo Yamawaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High frequency power amplifier circuit device
Patent number
7,215,203
Issue date
May 8, 2007
Renesas Technology Corp.
Yoshikuni Matsunaga
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency power amplifier and wireless communication module
Patent number
7,113,034
Issue date
Sep 26, 2006
Renesas Technology Corp.
Satoshi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High frequency power amplifier circuit
Patent number
7,078,974
Issue date
Jul 18, 2006
Renesas Technology Corp.
Kouichi Matsushita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency power amplifier circuit device
Patent number
7,049,892
Issue date
May 23, 2006
Renesas Technology Corp.
Yoshikuni Matsunaga
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency power amplifier circuit
Patent number
6,967,535
Issue date
Nov 22, 2005
Renesas Technology Corp.
Kouichi Matsushita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency power amplifier and wireless communication module
Patent number
6,914,480
Issue date
Jul 5, 2005
Renesas Technology Corp.
Satoshi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High frequency power amplifier circuit device
Patent number
6,759,906
Issue date
Jul 6, 2004
Renesas Technology Corp.
Yoshikuni Matsunaga
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency power amplifier circuit
Patent number
6,756,850
Issue date
Jun 29, 2004
Renesas Technology Corp.
Kouichi Matsushita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency power amplifier and wireless communication module
Patent number
6,753,735
Issue date
Jun 22, 2004
Renesas Technology Corp.
Satoshi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High frequency power amplifier and wireless communication module
Patent number
6,741,125
Issue date
May 25, 2004
Hitachi, Ltd.
Satoshi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Phase-locked loop circuit and radio communication apparatus using t...
Patent number
6,639,933
Issue date
Oct 28, 2003
Hitachi Ltd.
Taizo Yamawaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High-frequency power amplifier, wireless communication apparatus an...
Patent number
6,605,999
Issue date
Aug 12, 2003
Hitachi, Ltd.
Kouichi Matsushita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Phase-locked loop circuit and radio communication apparatus using t...
Patent number
6,324,219
Issue date
Nov 27, 2001
Hitachi, Ltd.
Taizo Yamawaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase-locked loop circuit and radio communication apparatus using t...
Patent number
6,163,585
Issue date
Dec 19, 2000
Hitachi, Ltd.
Taizo Yamawaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
HIGH FREQUENCY POWER AMPLIFIER CIRCUIT AND ELECTRONIC COMPONENT FOR...
Publication number
20090072906
Publication date
Mar 19, 2009
Hirokazu Tsurumaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit and electronic component for...
Publication number
20080068086
Publication date
Mar 20, 2008
Hirokazu Tsurumaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
RADIO FREQUENCY POWER AMPLIFYING MODULE WITH HETERO JUNCTION BIPOLA...
Publication number
20070194852
Publication date
Aug 23, 2007
Hirokazu Tsuromaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit
Publication number
20060214729
Publication date
Sep 28, 2006
Tomio Furuya
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit device
Publication number
20060197600
Publication date
Sep 7, 2006
Yoshikuni Matsunaga
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit
Publication number
20060006944
Publication date
Jan 12, 2006
RENESAS TECHNOLOGY CORP.
Kouichi Matsushita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier and wireless communication module
Publication number
20050200407
Publication date
Sep 15, 2005
RENESAS TECHNOLOGY CORP.
Satoshi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit
Publication number
20050156672
Publication date
Jul 21, 2005
RENESAS TECHNOLOGY CORP.
Kouichi Matsushita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit
Publication number
20050146379
Publication date
Jul 7, 2005
Hiroki Sugiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit and electronic component for...
Publication number
20050083129
Publication date
Apr 21, 2005
Hirokazu Tsurumaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier and wireless communication module
Publication number
20040212435
Publication date
Oct 28, 2004
RENESAS TECHNOLOGY CORP.
Satoshi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit device
Publication number
20040212436
Publication date
Oct 28, 2004
RENESAS TECHNOLOGY CORP.
Yoshikuni Matsunaga
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit
Publication number
20040164808
Publication date
Aug 26, 2004
RENESAS TECHNOLOGY CORP.
Kouichi Matsushita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Phase-locked loop circuit and radio communication apparatus using t...
Publication number
20040032901
Publication date
Feb 19, 2004
Taizo Yamawaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
High frequency power amplifier and wireless communication module
Publication number
20030137347
Publication date
Jul 24, 2003
Hitachi, Ltd.
Satoshi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier and wireless communication module
Publication number
20030107433
Publication date
Jun 12, 2003
Satoshi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit device
Publication number
20030016082
Publication date
Jan 23, 2003
Yoshikuni Matsunaga
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency power amplifier circuit
Publication number
20030001676
Publication date
Jan 2, 2003
Kouichi Matsushita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High-frequency power amplifier, wireless communication apparatus an...
Publication number
20020057131
Publication date
May 16, 2002
Hitachi, Ltd.
Kouichi Matsushita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Phase-locked loop circuit and radio communication apparatus using t...
Publication number
20020044621
Publication date
Apr 18, 2002
Taizo Yamawaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Phase-locked loop circuit and radio communication apparatus using t...
Publication number
20010008551
Publication date
Jul 19, 2001
Taizo Yamawaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE