Inventor · disambiguated record
Ritsu Yasukawa
Also filed as: YASUKAWA RITSU
5 granted patents·383 citations·filing 1992–1997
85Inventor score
Technology areasB01D
Top patents by PatentIndex Score
5 records- 0195US5380692ACatalyst for catalytic reduction of nitrogen oxideSAKAI CHEMICAL INDUSTRY CO·Filed 1992·Granted Jan 10, 1995·170 cites·2 claims
- 0291US6045765ACatalyst and method for catalytic reduction of nitrogen oxidesSAKAI CHEMICAL INDUSTRY CO·Filed 1997·Granted Apr 4, 2000·96 cites·17 claims
- 0385US5733837ACatalyst for catalytic reduction of nitrogen oxidesSAKAI CHEMICAL INDUSTRY CO·Filed 1996·Granted Mar 31, 1998·71 cites·8 claims
- 0467US5474965ACatalyst for catalytic reduction of nitrogen oxideSAKAI CHEMICAL INDUSTRY CO·Filed 1993·Granted Dec 12, 1995·29 cites·20 claims
- 0548US5853679ARemoval of nitrogen oxide from exhaust gasAGENCY IND SCIENCE TECHN·Filed 1996·Granted Dec 29, 1998·17 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →