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Katsuyoshi Mitsutomi
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Ushiku, JP
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last 30 patents
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Patent Grant
Method of treating a waste water rich in protein
Patent number
4,371,440
Issue date
Feb 1, 1983
National Tax Administration Agency
Kiyoshi Yoshizawa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Patent Grant
Treatment of waste water rich in nutrients
Patent number
4,183,807
Issue date
Jan 15, 1980
National Tax Administration Agency
Kiyoshi Yoshizawa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE