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Two-dimensional code reader
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Patent number 6,181,839
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Issue date Jan 30, 2001
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Matsushita Electric Industrial Co., Ltd.
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Tetsuya Kannon
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G06 - COMPUTING CALCULATING COUNTING
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Two-dimensional code reader
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Patent number 6,081,627
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Issue date Jun 27, 2000
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Matsushita Electric Industrial Co., Ltd.
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Tetsuya Kannon
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G06 - COMPUTING CALCULATING COUNTING
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Bar-code reader device
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Patent number 5,471,041
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Issue date Nov 28, 1995
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Matsushita Electric Industrial Co., Ltd.
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Katsushi Inoue
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G06 - COMPUTING CALCULATING COUNTING
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