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Otsu, JP
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last 30 patents
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Patent Grant
Biological treatment of waste water
Patent number
4,443,337
Issue date
Apr 17, 1984
Toray Industries, Inc.
Mitsunobu Otani
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Patent Grant
Solid-liquid separation element and apparatus
Patent number
4,233,159
Issue date
Nov 11, 1980
Toray Industries, Inc.
Teruo Senda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL