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Tadamasa Murakami
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Operational amplifier
Patent number
8,072,268
Issue date
Dec 6, 2011
Oki Semiconductor Co., Ltd.
Tadamasa Murakami
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital signal receiving circuit
Patent number
7,570,715
Issue date
Aug 4, 2009
Oki Semiconductor Co., Ltd.
Sunao Mizunaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Differential amplifier circuit
Patent number
7,317,358
Issue date
Jan 8, 2008
Oki Electric Industry Co., Ltd.
Tadamasa Murakami
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplitude limiting circuit
Patent number
7,233,175
Issue date
Jun 19, 2007
Oki Electric Industry Co., Ltd.
Tadamasa Murakami
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor device for providing a noise shield
Patent number
6,787,873
Issue date
Sep 7, 2004
Oki Electric Industry Co., Ltd.
Tadamasa Murakami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device for providing a noise shield
Patent number
6,555,884
Issue date
Apr 29, 2003
Oki Electric Industry Co., Ltd.
Tadamasa Murakami
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
AMPLIFIER CIRCUIT
Publication number
20130127544
Publication date
May 23, 2013
Tadamasa MURAKAMI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CMOS INTEGRATED CIRCUIT AND AMPLIFYING CIRCUIT
Publication number
20130127538
Publication date
May 23, 2013
Tadamasa MURAKAMI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPERATIONAL AMPLIFIER
Publication number
20100182088
Publication date
Jul 22, 2010
Oki Semiconductor Co., Ltd.
Tadamasa Murakami
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Digital signal receiving circuit
Publication number
20060227900
Publication date
Oct 12, 2006
Oki Electric Industry Co., Ltd.
Sunao Mizunaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Amplitude limiting circuit
Publication number
20050194997
Publication date
Sep 8, 2005
Oki Electric Industry Co., Ltd.
Tadamasa Murakami
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Differential amplifier circuit
Publication number
20050184805
Publication date
Aug 25, 2005
Oki Electric Industry Co., Ltd.
Tadamasa Murakami
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor device for providing a noise shield
Publication number
20030173631
Publication date
Sep 18, 2003
Tadamasa Murakami
H01 - BASIC ELECTRIC ELEMENTS