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Photopolymerizable adhesive composition
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Patent number 5,883,147
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Issue date Mar 16, 1999
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Japan Institute of Advanced Dentistry
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Eiichi Masuhara
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Bracket for orthodontics
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Patent number 5,147,202
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Issue date Sep 15, 1992
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Japan Institute of Advanced Dentistry
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Eiichi Masuhara
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Soft contact lens
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Patent number 4,761,438
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Issue date Aug 2, 1988
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Hoya Corporation
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Shigeo Komiya
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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High-hydration contact lens
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Patent number 4,625,009
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Issue date Nov 25, 1986
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Hoya Corporation
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Tetsuro Izumitani
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Terpolymer with a high refractive index
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Patent number 4,373,076
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Issue date Feb 8, 1983
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Hoya Lens Corporation
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Niro Tarumi
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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