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Atsushi Yokotani
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Fukuyama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
System for producing ultrapure water having a TOC density of no mor...
Patent number
6,177,005
Issue date
Jan 23, 2001
Sharp Kabushiki Kaisha
Kazuyuki Yamasaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Waste water treatment method and equipment being able to treat hydr...
Patent number
6,063,279
Issue date
May 16, 2000
Sharp Kabushiki Kaisha
Kazuyuki Yamasaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and apparatus for wastewater treatment
Patent number
6,056,876
Issue date
May 2, 2000
Sharp Kabushiki Kaisha
Kazuyuki Yamasaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and apparatus for wastewater treatment by chemical reaction...
Patent number
5,895,576
Issue date
Apr 20, 1999
Sharp Kabushiki Kaisha
Kazuyuki Yamasaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and apparatus for organic wastewater treatment capable of pr...
Patent number
5,868,934
Issue date
Feb 9, 1999
Sharp Kabushiki Kaisha
Kazuyuki Yamasaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus and method for treating waste water both chemically and b...
Patent number
5,849,194
Issue date
Dec 15, 1998
Sharp Kabushiki Kaisha
Kazuyuki Yamasaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Ultrapure water production system having pretreatment system for pe...
Patent number
5,788,838
Issue date
Aug 4, 1998
Sharp Kabushiki Kaisha
Kazuyuki Yamasaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus and method for waste water treatment utilizing granular s...
Patent number
5,702,604
Issue date
Dec 30, 1997
Sharp Kabushiki Kaisha
Kazuyuki Yamasaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Hydrogen peroxide removal equipment capable of treating both waste...
Patent number
5,632,885
Issue date
May 27, 1997
Sharp Kabushiki Kaisha
Kazuyuki Yamasaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE