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Electrowetting element
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Patent number 10,444,489
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Issue date Oct 15, 2019
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Amazon Technologies, Inc.
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Robin Leguijt
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G02 - OPTICS
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Electrowetting device
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Patent number 9,447,282
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Issue date Sep 20, 2016
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Amazon Technologies, Inc.
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Robin Leguijt
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Fluorescent pigments
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Patent number 6,486,332
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Issue date Nov 26, 2002
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Ciba Specialty Chemicals Corporation
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Zhimin Hao
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Fluorescent anthraquinoid pigments
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Patent number 6,271,401
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Issue date Aug 7, 2001
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Ciba Specialty Chemicals Corp.
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Zhimin Hao
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Fluorescent pigments
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Patent number 6,261,359
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Issue date Jul 17, 2001
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Ciba Specialty Chemicals Corporation
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Zhimin Hao
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Organic EL element
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Patent number 6,203,933
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Issue date Mar 20, 2001
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TDK Corporation
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Kenji Nakaya
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Fluorescent indigo pigments
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Patent number 6,127,549
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Issue date Oct 3, 2000
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Ciba Specialty Chemicals Corporation
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Zhimin Hao
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Fluorescent azo pigments
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Patent number 6,013,776
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Issue date Jan 11, 2000
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Ciba Specialty Chemicals Corporation
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Zhimin Hao
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Fluorescent pigments
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Patent number 5,886,160
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Issue date Mar 23, 1999
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Ciba Specialty Chemicals Corporation
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Zhimin Hao
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Fluorescent perylene pigments
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Patent number 5,874,580
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Issue date Feb 23, 1999
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Ciba Specialty Chemicals Corporation
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Zhimin Hao
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Fluorescent dioxazine pigments
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Patent number 5,780,627
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Issue date Jul 14, 1998
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Ciba Specialty Chemicals Corporation
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Zhimin Hao
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Fluorescent isoindoline pigments
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Patent number 5,723,626
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Issue date Mar 3, 1998
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Ciba Specialty Chemicals Corporation
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Zhimin Hao
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Fluorescent quinacridone pigments
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Patent number 5,561,232
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Issue date Oct 1, 1996
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Ciba-Geigy Corporation
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Zhimin Hao
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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