Syouji Harada

Follow

Person

Omiya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
System for treating waste water by nitrification
- Patent number 5,061,368
- Issue date Oct 29, 1991
- Hitachi Plant Engineering and Construction Co., Ltd.
- Minoru Tada
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE