Ueda; Chie

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sewage treatment equipment with activated sludge process bed
- Patent number 5,277,798
- Issue date Jan 11, 1994
- Ueda; Iwao
- Iwao Ueda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Waste water treatment equipment
- Patent number 5,240,597
- Issue date Aug 31, 1993
- Ueda; Iwao
- Iwao Ueda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for processing sludge
- Patent number 4,927,530
- Issue date May 22, 1990
- Ueda; Iwao
- Iwao Ueda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sewage treatment equipment with activated sludge process beds
- Patent number 4,680,111
- Issue date Jul 14, 1987
- Ueda; Iwao
- Iwao Ueda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Activated sludge process bed
- Patent number 4,678,567
- Issue date Jul 7, 1987
- Ueda; Iwao
- Iwao Ueda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE