Sohei Okamoto

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Musashino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating muddy water
- Patent number 5,034,137
- Issue date Jul 23, 1991
- Kabushiki Kaisha Iseki Kaihatsu Koki
- Sohei Okamoto
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Clarification device
- Patent number 4,810,377
- Issue date Mar 7, 1989
- Kabushiki Kaisha Iseki Kaihatsu Koki
- Minoru Kato
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE