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Masao Nakayama
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Ritto-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High-frequency transistor
Patent number
11,195,904
Issue date
Dec 7, 2021
NUVOTON TECHNOLOGY CORPORATION JAPAN
Kouki Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-frequency transistor
Patent number
10,756,165
Issue date
Aug 25, 2020
PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
Kouki Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Radio frequency amplifier circuit and mobile communication terminal...
Patent number
8,040,186
Issue date
Oct 18, 2011
Panasonic Corporation
Masao Nakayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency amplifier circuit and mobile communication terminal...
Patent number
7,924,098
Issue date
Apr 12, 2011
Panasonic Corporation
Masao Nakayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio frequency amplifier circuit and mobile communication terminal...
Patent number
7,639,080
Issue date
Dec 29, 2009
Panasonic Corporation
Masao Nakayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency amplifier circuit and mobile communication terminal...
Patent number
7,626,459
Issue date
Dec 1, 2009
Panasonic Corporation
Masao Nakayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Attenuator with switch function and mobile telephone terminal devic...
Patent number
7,454,182
Issue date
Nov 18, 2008
Panasonic Corporation
Masahiko Inamori
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Radio frequency power amplifier
Patent number
7,425,872
Issue date
Sep 16, 2008
Matsushita Electric Industrial Co., Ltd.
Masahiko Inamori
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Transmission apparatus and mobile communication terminal apparatus
Patent number
7,421,255
Issue date
Sep 2, 2008
Matsushita Electric Industrial Co., Ltd.
Masahiko Inamori
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency amplification circuit and mobile communication termi...
Patent number
7,340,229
Issue date
Mar 4, 2008
Matsushita Electric Industrial Co., Ltd.
Masao Nakayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Attenuator with switch function and mobile telephone terminal devic...
Patent number
7,245,895
Issue date
Jul 17, 2007
Matsushita Electric Industrial Co., Ltd.
Masahiko Inamori
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Attenuator and portable telephone terminal apparatus using the same
Patent number
7,245,170
Issue date
Jul 17, 2007
Matsushita Electric Industrial Co., Ltd.
Masahiko Inamori
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency amplifier circuit and mobile communication terminal...
Patent number
7,239,205
Issue date
Jul 3, 2007
Matsushita Electric Industrial Co., Ltd.
Masao Nakayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High frequency switch, amplifying circuit, and mobile communication...
Patent number
6,853,235
Issue date
Feb 8, 2005
Matsushita Electric Industrial Co., Ltd.
Masao Nakayama
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
HIGH-FREQUENCY TRANSISTOR
Publication number
20200350397
Publication date
Nov 5, 2020
Panasonic Semiconductor Solutions Co., Ltd.
Kouki YAMAMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH-FREQUENCY TRANSISTOR
Publication number
20190378894
Publication date
Dec 12, 2019
Panasonic Intellectual Property Management Co., Ltd.
Kouki YAMAMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RADIO FREQUENCY POWER AMPLIFIER AND WIRELESS COMMUNICATION DEVICE I...
Publication number
20110175681
Publication date
Jul 21, 2011
PANASONIC CORPORATION
Masahiko INAMORI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
RADIO FREQUENCY AMPLIFIER CIRCUIT AND MOBILE COMMUNICATION TERMINAL...
Publication number
20100134189
Publication date
Jun 3, 2010
PANASONIC CORPORATION
Masao NAKAYAMA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
HIGH FREQUENCY AMPLIFIER CIRCUIT AND MOBILE COMMUNICATION TERMINAL...
Publication number
20100022198
Publication date
Jan 28, 2010
PANASONIC CORPORATION
Masao NAKAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio frequency amplifier circuit and mobile communication terminal...
Publication number
20070296503
Publication date
Dec 27, 2007
Masao Nakayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ATTENUATOR WITH SWITCH FUNCTION AND MOBILE TELEPHONE TERMINAL DEVIC...
Publication number
20070232252
Publication date
Oct 4, 2007
Matsushita Electric Industrial Co., Ltd.
Masahiko Inamori
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
HIGH FREQUENCY AMPLIFIER CIRCUIT AND MOBILE COMMUNICATION TERMINAL...
Publication number
20070222518
Publication date
Sep 27, 2007
Matsushita Electric Industrial Co., Ltd.
Masao Nakayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio frequency power amplifier
Publication number
20070096809
Publication date
May 3, 2007
Masahiko Inamori
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Transmission apparatus and mobile communication terminal apparatus
Publication number
20060057982
Publication date
Mar 16, 2006
Masahiko Inamori
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency amplification circuit and mobile communication termi...
Publication number
20060040629
Publication date
Feb 23, 2006
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Masao Nakayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Attenuator and portable telephone terminal apparatus using the same
Publication number
20050003784
Publication date
Jan 6, 2005
Matsushita Electric Industrial Co., Ltd.
Masahiko Inamori
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency amplifier circuit and mobile communication terminal...
Publication number
20050001685
Publication date
Jan 6, 2005
Matsushita Electric Industrial Co., Ltd.
Masao Nakayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Attenuator with switch function and mobile telephone terminal devic...
Publication number
20040185814
Publication date
Sep 23, 2004
Matsushita Electric Industrial Co., Ltd.
Masahiko Inamori
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency switch, amplifying circuit, and mobile communication...
Publication number
20030201826
Publication date
Oct 30, 2003
Masao Nakayama
H03 - BASIC ELECTRONIC CIRCUITRY