Masashi Toyooka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wastewater treatment device, bacteria bed used for treating food wa...
- Patent number 10,214,436
- Issue date Feb 26, 2019
- Hiroshi Ogawa
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
WASTEWATER TREATMENT DEVICE, BACTERIA BED USED FOR TREATING FOOD WA...
- Publication number 20160152499
- Publication date Jun 2, 2016
- Hiroshi Ogawa
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE