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Magnetic sensor
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Patent number 6,707,298
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Issue date Mar 16, 2004
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Yamaha Corporation
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Toshihisa Suzuki
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G01 - MEASURING TESTING
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Display controller
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Patent number 4,835,526
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Issue date May 30, 1989
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Ascii Corporation
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Takatoshi Ishii
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Display control system
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Patent number 4,779,083
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Issue date Oct 18, 1988
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Ascii Corporation
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Takatoshi Ishii
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G06 - COMPUTING CALCULATING COUNTING
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Display controller
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Patent number 4,760,387
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Issue date Jul 26, 1988
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Ascii Corporation
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Takatoshi Ishii
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G06 - COMPUTING CALCULATING COUNTING
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Electronic musical instrument
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Patent number 4,733,591
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Issue date Mar 29, 1988
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Nippon Gakki Seizo Kabushiki Kaisha
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Makoto Kaneko
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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