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Thermal stencil making unit
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Patent number 9,849,664
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Issue date Dec 26, 2017
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Riso Kagaku Corporation
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Dai Takahashi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Printing screen making apparatus
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Patent number 9,446,577
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Issue date Sep 20, 2016
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Riso Kagaku Corporation
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Shinichi Ezure
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermal stencil-making machine
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Patent number 9,315,010
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Issue date Apr 19, 2016
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Riso Kagaku Corporation
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Koki Mitani
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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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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Sheet carrier apparatus
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Patent number 6,684,767
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Issue date Feb 3, 2004
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Rison Kagaku Corporation
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Hitoshi Watanabe
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Device for making a master
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Patent number 6,664,992
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Issue date Dec 16, 2003
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Tohoku Ricoh Co., Ltd.
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Yasumitsu Yokoyama
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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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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