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Side knock type feeding mechanism
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Patent number 7,217,054
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Issue date May 15, 2007
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Kotobuki Printing Co., Ltd.
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Yoshio Noguchi
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Liquid container
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Patent number 7,051,642
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Issue date May 30, 2006
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Kotobuki Printing Co., Ltd.
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Hidehei Kageyama
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Liquid container
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Patent number 6,176,632
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Issue date Jan 23, 2001
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Kotobuki Printing Co., Ltd.
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Hidehei Kageyama
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A46 - BRUSHWARE
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Rotary stick projecting device
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Patent number 6,155,734
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Issue date Dec 5, 2000
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Kotobuki Printing Co., Ltd.
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Hidehei Kageyama
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A45 - HAND OR TRAVELLING ARTICLES
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Liquid container cap
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Patent number 6,102,602
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Issue date Aug 15, 2000
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Kotobuki Printing Co., Ltd.
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Hidehei Kageyama
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES