Inventor · disambiguated record
Ritva Heikkinen
Also filed as: HEIKKINEN RITVA
1 granted patent·1 pending application·14 citations·filing 2004–2011
38Inventor score
Technology areasB01J
Files withVAKKILAINEN AULIS2
Top patents by PatentIndex Score
2 records- 0183US8337762B2Substrate having porous sheet(s) for treating exhaust gases of combustion enginesVAKKILAINEN AULIS·Filed 2011·Granted Dec 25, 2012·14 cites·11 claims
- 0237US2007009400A1Porous sheet and substrate having porous sheet(s) for treating exhaust gases of combustion enginesVAKKILAINEN AULIS·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →