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Combined read and print head
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Patent number 5,570,122
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Issue date Oct 29, 1996
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Rohm Co., Ltd.
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Masaya Imamura
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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LED head
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Patent number 5,506,612
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Issue date Apr 9, 1996
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Rohm Co., Ltd.
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Hiromi Ogata
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Image sensor
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Patent number 5,434,682
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Issue date Jul 18, 1995
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Rohm Co., Ltd.
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Masaya Imamura
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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