Inventor
NEGISHI HAJIME
JP3 patents
Patents
3 patentsUS7892426B2Feb 22, 2011
Wastewater treatment apparatus
MITSUBISHI MATERIALS CORP21 citations89
US7799232B2Sep 21, 2010
Method of treating wastewater with reducing water purification material
MITSUBISHI MATERIALS CORP15 citations89
US7754099B2Jul 13, 2010
Reducing water purification material, method for producing reducing water purification material, method for treating wastewater, and wastewater treatment apparatus
MITSUBISHI MATERIALS CORP2 citations59