Toshihiro Nakai

Follow

Person

Toride, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of treating wastewater containing chemical substances by use...
- Patent number 6,146,533
- Issue date Nov 14, 2000
- Director General of Agency of Industrial Science and Technology
- Toshihiro Nakai
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of removing nitrate ion from a solution containing nitrate a...
- Patent number 5,188,737
- Issue date Feb 23, 1993
- Agency of Industrial Science and Technology
- Yoshio Sato
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE