Inventor

TOMISAWA SHIGECHIKA

JP3 patents

Patents

3 patents

US5051391ASep 24, 1991

Catalyst filter and method for manufacturing a catalyst filter for treating a combustion exhaust gas

MITSUBISHI HEAVY IND LTD60 citations91

US4728503AMar 1, 1988

Filter medium for treating an exhaust gas

MITSUBISHI HEAVY IND LTD29 citations89

US4897248AJan 30, 1990

Method for treating exhaust gas

MITSUBISHI HEAVY IND LTD3 citations57