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Analog arithmetic circuit
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Patent number 5,757,221
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Issue date May 26, 1998
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Advantest Corp.
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Mishio Hayashi
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G06 - COMPUTING CALCULATING COUNTING
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Jitter analyzer
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Patent number 5,293,520
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Issue date Mar 8, 1994
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Advantest Corporation
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Mishio Hayashi
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G01 - MEASURING TESTING
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Data multiplexing device
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Patent number 5,239,546
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Issue date Aug 24, 1993
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Advantest Corporation
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Mishio Hayashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Data pattern synchronizer
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Patent number 4,878,233
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Issue date Oct 31, 1989
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Advantest Corporation
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Mishio Hayashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Continuous counting device
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Patent number 4,870,664
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Issue date Sep 26, 1989
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Advantest Corporation
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Mishio Hayashi
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H03 - BASIC ELECTRONIC CIRCUITRY
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Interval-expanding timer
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Patent number 4,523,288
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Issue date Jun 11, 1985
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Takeda Riken Co., Ltd.
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Mishio Hayashi
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G04 - HOROLOGY