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Akihisa Sugimura
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Settsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of fabricating semiconductor device
Patent number
6,852,580
Issue date
Feb 8, 2005
Matsushita Electric Industrial Co., Ltd.
Manabu Yanagihara
G05 - CONTROLLING REGULATING
Information
Patent Grant
Bias circuit and method of fabricating semiconductor device
Patent number
6,407,617
Issue date
Jun 18, 2002
Matsushita Electric Industrial Co., Ltd.
Manabu Yanagihara
G05 - CONTROLLING REGULATING
Information
Patent Grant
Field effect transistor and power amplifier including the same
Patent number
6,268,632
Issue date
Jul 31, 2001
Matsushita Electronics Corporation
Akihisa Sugimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field effect transistor
Patent number
6,114,732
Issue date
Sep 5, 2000
Matsushita Electronics Corporation
Akihisa Sugimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transistor and power amplifier
Patent number
6,002,301
Issue date
Dec 14, 1999
Matsushita Electronics Corporation
Akihisa Sugimura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
RF power amplifying circuit device
Patent number
5,717,249
Issue date
Feb 10, 1998
Matsushita Electronics Corporation
Noriyuki Yoshikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power amplifier and power amplification method
Patent number
5,546,051
Issue date
Aug 13, 1996
Matsushita Electric Industrial Co., Ltd.
Haruhiko Koizumi
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
Bias current and method of fabricating semiconductor device
Publication number
20020132444
Publication date
Sep 19, 2002
Matsushita Electronics Corporation
Manabu Yanagihara
G05 - CONTROLLING REGULATING