Inventor
ODAWARA YOUJI
5 patents
Patents
5 patentsUS4297216AOct 27, 1981
Method for treatment of biochemical waste
HITACHI LTD57 citations94
US4067801AJan 10, 1978
Process and system for anaerobic treatment of biochemical waste
HITACHI LTD77 citations94
US4137158AJan 30, 1979
Process for tertiary treatment of waste waters from anaerobic digestion treatment process
HITACHI LTD39 citations91
US4202763AMay 13, 1980
High-efficient activated sludge method
HITACHI LTD9 citations72
US4203841AMay 20, 1980
Apparatus for high-efficient microbiological oxidation treatment
HITACHI LTD19 citations71