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Masayoshi Kubota
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Hitachi, JP
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last 30 patents
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Patent Grant
Information management apparatus dealing with waste and waste recyc...
Patent number
5,960,402
Issue date
Sep 28, 1999
Hitachi, Ltd.
Ichiro Embutsu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Information management apparatus dealing with waste and waste recyc...
Patent number
5,699,525
Issue date
Dec 16, 1997
Hitachi, Ltd.
Ichiro Embutsu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for producing ultra-pure water by ion exchange resin
Patent number
4,698,153
Issue date
Oct 6, 1987
Hitachi, Ltd.
Harumi Matsuzaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
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
Information
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
Aqueous alkali or alkaline treat and heat regeneration of NH.sub.4....
Patent number
4,219,441
Issue date
Aug 26, 1980
Hitachi, Ltd.
Yusaku Noshimura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for regenerating an adsorbent
Patent number
4,205,459
Issue date
Jun 3, 1980
Hitachi, Ltd.
Yasuo Koseki
F26 - DRYING
Information
Patent Grant
Apparatus for separating non-magnetic materials of different densities
Patent number
4,113,608
Issue date
Sep 12, 1978
Agency of Industrial Science & Technology
Saburo Kazama
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...