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Information display method
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Patent number 6,344,880
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Issue date Feb 5, 2002
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Sony Corporation
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Yasushi Takahashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Handwriting input apparatus
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Patent number 5,805,725
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Issue date Sep 8, 1998
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Sony Corporation
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Haruhiko Sakata
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G06 - COMPUTING CALCULATING COUNTING
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Touch panel apparatus
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Patent number 5,414,413
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Issue date May 9, 1995
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Sony Corporation
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Hideshi Tamaru
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G06 - COMPUTING CALCULATING COUNTING
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Pickup cartridge
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Patent number 4,368,528
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Issue date Jan 11, 1983
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Sony Corporation
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Akio Sakano
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H04 - ELECTRIC COMMUNICATION TECHNIQUE