Inventor
YASUKAWA RITSU
JP5 patents
⚠️ This page may combine multiple inventors who share the name “YASUKAWA RITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAKAI CHEMICAL INDUSTRY CO
4 patentsUS6045765AApr 4, 2000
Catalyst and method for catalytic reduction of nitrogen oxides
SAKAI CHEMICAL INDUSTRY CO96 citations97
US5380692AJan 10, 1995
Catalyst for catalytic reduction of nitrogen oxide
SAKAI CHEMICAL INDUSTRY CO170 citations97
US5733837AMar 31, 1998
Catalyst for catalytic reduction of nitrogen oxides
SAKAI CHEMICAL INDUSTRY CO71 citations95
US5474965ADec 12, 1995
Catalyst for catalytic reduction of nitrogen oxide
SAKAI CHEMICAL INDUSTRY CO29 citations91