Eiji Tochikubo

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Patents Grantslast 30 patents

Information Patent Grant
Method for aerobically treating wastewater and a treatment tank for...
- Patent number 6,077,424
- Issue date Jun 20, 2000
- Ebara Corporation
- Noboru Katsukura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Carrier-separating and water-collecting mechanism of wastewater tre...
- Patent number 6,015,490
- Issue date Jan 18, 2000
- Ebara Corporation
- Noboru Katsukura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE