Inventor · disambiguated record
Aki Vilpponen
Also filed as: VILPPONEN AKI · VILPPONEN AKI H · VILPPONEN AKI HANNU
7 granted patents·1 pending application·99 citations·filing 1989–2007
85Inventor score
Top patents by PatentIndex Score
8 records- 0190US4971658AMethod of intensifying the washing of a fiber suspensionAHLSTROEM OY·Filed 1989·Granted Nov 20, 1990·44 cites·8 claims
- 0283US6506283B2Pretreatment of chips before cookingANDRITZ INC·Filed 2001·Granted Jan 14, 2003·9 cites·3 claims
- 0381US6544384B2Pretreatment of chips before cookingANDRITZ INC·Filed 2001·Granted Apr 8, 2003·8 cites·3 claims
- 0481US5635026ACooking cellulose material with high alkali concentrations and/or high pHAHLSTROM MACHINERY INC·Filed 1995·Granted Jun 3, 1997·26 cites·19 claims
- 0571US8128784B2Bleaching process of chemical pulpVILPPONEN AKI·Filed 2007·Granted Mar 6, 2012·2 cites·16 claims
- 0664US6248208B1Pretreatment of chips before cookingANDRITZ AHLSTROM INC·Filed 1995·Granted Jun 19, 2001·10 cites·3 claims
- 0749US8524038B2Bleaching process of chemical pulpVILPPONEN AKI·Filed 2007·Granted Sep 3, 2013·0 cites·9 claims
- 0827US2002056533A1Method of treating chemical cellulose pulpFiled 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →