Inventor

NAKAOKA AZUMA

JP3 patents

Patents

3 patents

US4113618ASep 12, 1978

Method of and apparatus for solid-liquid separation

HITACHI LTD31 citations91

US4178245ADec 11, 1979

Filtration method

HITACHI LTD21 citations80

US4203841AMay 20, 1980

Apparatus for high-efficient microbiological oxidation treatment

HITACHI LTD19 citations71