Inventor

AOYAMA HYOGORO

JP3 patents

Patents

3 patents

US5141714AAug 25, 1992

Exhaust gas cleaner

RIKEN KK78 citations94

US5154901AOct 13, 1992

Method of cleaning an exhaust gas containing nitrogen oxides and fine carbon-containing particulates

RIKEN KK31 citations91

US5108977AApr 28, 1992

Catalyst for cleaning exhaust gas

RIKEN KK29 citations89