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Otsu, JP
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last 30 patents
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Patent Grant
Polymethyl methacrylate hollow fiber type ultrafiltration membrane...
Patent number
4,678,581
Issue date
Jul 7, 1987
Toray Industries, Inc.
Tatsuo Nogi
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Polymethyl methacrylate membrane
Patent number
4,439,322
Issue date
Mar 27, 1984
Toray Industries, Inc.
Takeshi Sonoda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Flame-retardant fiber having an excellent color-fastness and prepar...
Patent number
4,145,371
Issue date
Mar 20, 1979
Toray Industries, Inc.
Shunroku Tohyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Flame retardant fiber
Patent number
4,138,445
Issue date
Feb 6, 1979
Toray Industries, Inc.
Tatsuo Nogi
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING