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Norio Arakawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Device authentication apparatus and method, and recorded medium on...
Patent number
7,356,698
Issue date
Apr 8, 2008
Advantest Corporation
Norio Arakawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Adapter for controlling a measuring device, a measuring device, a c...
Patent number
7,035,959
Issue date
Apr 25, 2006
Advantest Corporation
Satoshi Umezu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network analyzer, network analytical method and recording medium
Patent number
6,496,785
Issue date
Dec 17, 2002
Advantest Corporation
Yoshikazu Nakayama
G01 - MEASURING TESTING
Information
Patent Grant
High speed fourier transform apparatus
Patent number
6,208,946
Issue date
Mar 27, 2001
Advantest Corp.
Norio Arakawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital lock-in amplifier
Patent number
4,914,677
Issue date
Apr 3, 1990
Advantest Corporation
Takahiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
AD converting device
Patent number
4,761,634
Issue date
Aug 2, 1988
Advantest Corporation
Takahiro Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
Device authentication apparatus and method, and recorded medium on...
Publication number
20020194477
Publication date
Dec 19, 2002
Norio Arakawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Adapter for controlling a measuring device, a measuring device, a c...
Publication number
20020013835
Publication date
Jan 31, 2002
Satoshi Umezu
G01 - MEASURING TESTING