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Toyohiko Kaneko
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Ibaraki, JP
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last 30 patents
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Patent Grant
Apparatus for treatment of sewage
Patent number
4,294,697
Issue date
Oct 13, 1981
Hitachi, Ltd.
Toshio Sawa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Patent Grant
Method for treatment of sewage
Patent number
4,280,886
Issue date
Jul 28, 1981
Hitachi, Ltd.
Toshio Sawa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus for regenerating an adsorbent
Patent number
4,205,459
Issue date
Jun 3, 1980
Hitachi, Ltd.
Yasuo Koseki
F26 - DRYING