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Plastic optical articles
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Patent number 5,514,466
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Issue date May 7, 1996
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Toray Industries, Inc.
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Shinichi Yamada
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Composite membrane
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Patent number 5,259,950
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Issue date Nov 9, 1993
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Toray Industries, Inc.
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Kuniyasu Shiro
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Oxygen scavenger
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Patent number 5,143,763
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Issue date Sep 1, 1992
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Toray Industries, Inc.
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Shinichi Yamada
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Gas separation membrane
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Patent number 4,950,314
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Issue date Aug 21, 1990
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Toray Industries Inc.
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Shinichi Yamada
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...