Inventor · disambiguated record
Ryoji Kuma
Also filed as: KUMA RYOJI
4 granted patents·1 pending application·29 citations·filing 2001–2007
75Inventor score
Top patents by PatentIndex Score
5 records- 0173US8173098B2Titanium oxide, catalyst for treating exhaust gas and method for purifying exhaust gasMORITA ATSUSHI·Filed 2006·Granted May 8, 2012·4 cites·16 claims
- 0272US6638486B2Catalyst for purification of exhaust gases, production process therefor, and process for purification of exhaust gasesNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Oct 28, 2003·11 cites·7 claims
- 0363US6884402B2Catalyst for purification of exhaust gases, production process therefor, and process for purification of exhaust gasesNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Apr 26, 2005·5 cites·3 claims
- 0461US7264784B2Method for treating exhaust gasNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Sep 4, 2007·9 cites·9 claims
- 0543US2010111799A1Catalyst for treating an exhaust gas containing organic acid, and method for treating an exhaust gas containing organic acidNIPPON CATALYTIC CHEM IND·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →