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Method for driving ink jet head
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Patent number 6,460,960
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Issue date Oct 8, 2002
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Citizen Watch Co., Ltd.
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Tadashi Mitsuhashi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Method of driving ink-jet head
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Patent number 6,273,538
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Issue date Aug 14, 2001
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Citizen Watch Co., Ltd.
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Tadashi Mitsuhashi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Ink jet head
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Patent number 5,471,231
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Issue date Nov 28, 1995
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Citizen Watch Co., Ltd.
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Hisato Hiraishi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Sheet feeder for printer
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Patent number 5,263,784
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Issue date Nov 23, 1993
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Citizen Watch Co., Ltd.
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Masamitsu Nojima
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Optical scanner
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Patent number 4,856,858
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Issue date Aug 15, 1989
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Citizen Watch Co., Ltd.
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Hirofumi Koike
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G02 - OPTICS