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Heat sensitive stencil material
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Patent number 6,758,138
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Issue date Jul 6, 2004
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Riso Kagaku Corporation
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Jun Nakamura
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Stencil plate
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Patent number 6,659,003
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Issue date Dec 9, 2003
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Riso Kagaku Corporation
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Jun Nakamura
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Thermal head
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Patent number 6,452,621
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Issue date Sep 17, 2002
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Riso Kagaku Corporation
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Jun Nakamura
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermal stencil making method
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Patent number 6,366,305
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Issue date Apr 2, 2002
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Riso Kagaku Corporation
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Jun Nakamura
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermal stencil making apparatus
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Patent number 6,362,846
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Issue date Mar 26, 2002
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Riso Kagaku Corporation
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Jun Nakamura
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermal head
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Patent number 6,236,424
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Issue date May 22, 2001
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Riso Kajaku Corporation
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Jun Nakamura
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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