Inventor · disambiguated record
Henricus Godefridus Wilhelmus Stemkens
Also filed as: STEMKENS HENRICUS G W · STEMKENS HENRICUS GODEFRIDUS WILHELMUS
100 granted patents·14 citations·filing 1997–2019
98Inventor score
Technology areasA01H
Files withSYNGENTA PARTICIPATIONS AG45STEMKENS HENRICUS GODEFRIDUS WILHELMUS25SYNGENTA CROP PROTECTION AG17NOVARTIS SEEDS B V5NOVARTIS AG3
Top patents by PatentIndex Score
100 records- 0187USPP24017P2Saxifraga plant named ‘SAXZ0006’STEMKENS HENRICUS GODEFRIDUS WILHELMUS·Filed 2012·Granted Nov 5, 2013·3 cites·1 claims
- 0287USPP24005P2Saxifraga plant named ‘SAXZ0004’STEMKENS HENRICUS GODEFRIDUS WILHELMUS·Filed 2012·Granted Oct 29, 2013·3 cites·1 claims
- 0387USPP14782P2Diascia plant named ‘Diastara’SYNGENTA SEEDS BV·Filed 2003·Granted May 11, 2004·3 cites·1 claims
- 0479USPP12578P2Verbena plant named ‘Scarlena’NOVARTIS SEEDS B V·Filed 2000·Granted Apr 23, 2002·2 cites·1 claims
- 0578USPP24126P2Verbena plant named ‘VEAZ0015’STEMKENS HENRICUS GODEFRIDUS WILHELMUS·Filed 2012·Granted Dec 31, 2013·1 cites·1 claims
- 0669USPP32121P2Leucanthemumplant named ‘Q3597-2’STEMKENS HENRICUS GODEFRIDUS WILHELMUS·Filed 2019·Granted Aug 25, 2020·0 cites·1 claims
- 0767US11197PVerbena plant named `Silvena`NOVARTIS AG·Filed 1997·Granted Feb 1, 2000·1 cites·1 claims
- 0867US11192PVerbena plant named `Mylena`NOVARTIS AG·Filed 1997·Granted Jan 25, 2000·1 cites·1 claims
- 0966USPP29356P3Saxifraga plant named ‘SAXZ0015’SYNGENTA PARTICIPATIONS AG·Filed 2016·Granted Jun 5, 2018·0 cites·1 claims
- 1066USPP29330P3Saxifraga plant named ‘SAXZ0014’SYNGENTA PARTICIPATIONS AG·Filed 2016·Granted May 29, 2018·0 cites·1 claims
- 1166USPP29257P3Saxifraga plant named ‘SAXZ0016’SYNGENTA PARTICIPATIONS AG·Filed 2016·Granted Apr 24, 2018·0 cites·1 claims
- 1266USPP29256P3Saxifraga plant named ‘SAXZ0013’SYNGENTA PARTICIPATIONS AG·Filed 2016·Granted Apr 24, 2018·0 cites·1 claims
- 1360USPP32382P2Helenium plant named ‘HEMZ0001’SYNGENTA CROP PROTECTION AG·Filed 2019·Granted Oct 20, 2020·0 cites·1 claims
- 1459USPP32339P2Helenium plant named ‘HEMZ0005’SYNGENTA CROP PROTECTION AG·Filed 2019·Granted Oct 13, 2020·0 cites·1 claims
- 1559USPP32294P2Helenium plant named ‘HEMZ0003’SYNGENTA CROP PROTECTION AG·Filed 2019·Granted Oct 6, 2020·0 cites·1 claims
- 1659USPP31092P3Phlox plant named ‘PHMZ0002’DITOPLANT EXP BV·Filed 2018·Granted Nov 19, 2019·0 cites·1 claims
- 1759USPP28179P3Achillea plant named ‘ACBZ0002’STEMKENS HENRICUS GODEFRIDUS WILHELMUS·Filed 2015·Granted Jul 11, 2017·0 cites·1 claims
- 1858USPP32635P3Verbena plant named ‘VEAZ0057’SYNGENTA CROP PROTECTION AG·Filed 2019·Granted Dec 15, 2020·0 cites·1 claims
- 1958USPP32363P3Verbena plant named ‘VEAZ0059’SYNGENTA CROP PROTECTION AG·Filed 2019·Granted Oct 20, 2020·0 cites·1 claims
- 2058USPP31902P2Erysimum plant named ‘ERFZ0006’SYNGENTA CROP PROTECTION AG·Filed 2019·Granted Jun 23, 2020·0 cites·1 claims
- 2158USPP31801P2Erysimum plant named ‘ERFZ0005’SYNGENTA CROP PROTECTION AG·Filed 2019·Granted May 26, 2020·0 cites·1 claims
- 2258USPP31776P2Erysimum plant named ‘ERFZ0004’SYNGENTA CROP PROTECTION AG·Filed 2019·Granted May 19, 2020·0 cites·1 claims
- 2358USPP31619P2Erysimum plant named ‘ERFZ0007’SYNGENTA CROP PROTECTION AG·Filed 2019·Granted Mar 31, 2020·0 cites·1 claims
- 2458USPP23426P2Leucanthemum plant named ‘LEUZ0001’SYNGENTA CROP PROTECTION AG·Filed 2012·Granted Feb 26, 2013·0 cites·1 claims
- 2557USPP32762P2Leucanthemum plant named ‘LEUZ0006’SYNGENTA CROP PROTECTION AG·Filed 2019·Granted Jan 19, 2021·0 cites·1 claims
- 2655USPP31164P3Verbena plant named ‘VEAZ0051’SYNGENTA PARTICIPATIONS AG·Filed 2018·Granted Dec 3, 2019·0 cites·1 claims
- 2755USPP31163P3Verbena plant named ‘VEAZ0050’SYNGENTA PARTICIPATIONS AG·Filed 2018·Granted Dec 3, 2019·0 cites·1 claims
- 2855USPP31165P3Verbena plant named ‘VEAZ0048’SYNGENTA PARTICIPATIONS AG·Filed 2018·Granted Dec 3, 2019·0 cites·1 claims
- 2955USPP30796P3Verbena plant named ‘VEAZ0052’SYNGENTA PARTICIPATIONS AG·Filed 2018·Granted Aug 13, 2019·0 cites·1 claims
- 3055USPP30778P3Verbena plant named ‘VEAZ0053’SYNGENTA PARTICIPATIONS AG·Filed 2018·Granted Aug 6, 2019·0 cites·1 claims
- 3154USPP31186P2Lavandula plant named ‘LAAZ0008’SYNGENTA PARTICIPATIONS AG·Filed 2018·Granted Dec 3, 2019·0 cites·1 claims
- 3254USPP30908P2Coreopsis plant named ‘CSGZ0005’SYNGENTA PARTICIPATIONS AG·Filed 2018·Granted Sep 24, 2019·0 cites·1 claims
- 3354USPP30519P3Iberis plant named ‘IBSZ0006’SYNGENTA PARTICIPATIONS AG·Filed 2018·Granted May 21, 2019·0 cites·1 claims
- 3453USPP27445P2Gaillardia plant named ‘GAIZ0003’SYNGENTA PARTICIPATIONS AG·Filed 2014·Granted Dec 6, 2016·0 cites·1 claims
- 3552USPP30776P2Leucanthemum plant named ‘LEUZ0005’SYNGENTA PARTICIPATIONS AG·Filed 2018·Granted Aug 6, 2019·0 cites·1 claims
- 3652USPP25665P2Verbena plant named ‘VEAZ0016’SYNGENTA CROP PROTECTION AG·Filed 2013·Granted Jun 30, 2015·0 cites·1 claims
- 3751USPP29998P2Verbena plant named ‘VEAZ0047’SYNGENTA PARTICIPATIONS AG·Filed 2017·Granted Dec 18, 2018·0 cites·1 claims
- 3851USPP29518P3Verbena plant named ‘VEAZ0043’SYNGENTA PARTICIPATIONS AG·Filed 2017·Granted Jul 17, 2018·0 cites·1 claims
- 3951USPP29519P3Verbena plant named ‘VEAZ0046’SYNGENTA PARTICIPATIONS AG·Filed 2017·Granted Jul 17, 2018·0 cites·1 claims
- 4051USPP29331P2Erysimum plant named ‘ERFZ0003’SYNGENTA PARTICIPATIONS AG·Filed 2017·Granted May 29, 2018·0 cites·1 claims
- 4151USPP21751P2Verbena plant named ‘Britena’SYNGENTA CROP PROTECTION AG·Filed 2009·Granted Mar 1, 2011·0 cites·1 claims
- 4250USPP30701P2Sedum plant named ‘SETZ0001’SYNGENTA PARTICIPATIONS AG·Filed 2017·Granted Jul 9, 2019·0 cites·1 claims
- 4350USPP29357P2Verbena plant named ‘VEAZ0039’SYNGENTA PARTICIPATIONS AG·Filed 2016·Granted Jun 5, 2018·0 cites·1 claims
- 4450USPP29133P2Verbena plant named ‘VEAZ0038’SYNGENTA PARTICIPATIONS AG·Filed 2016·Granted Mar 20, 2018·0 cites·1 claims
- 4550USPP28208P2Phlox plant named ‘PHOZ0003’SYNGENTA PARTICIPATIONS AG·Filed 2016·Granted Jul 18, 2017·0 cites·1 claims
- 4650USPP28158P2Phlox plant named ‘PHOZ0001’SYNGENTA PARTICIPATIONS AG·Filed 2016·Granted Jul 4, 2017·0 cites·1 claims
- 4750USPP26197P2Erysimum plant named ‘ERFZ0001’SYNGENTA CROP PROTECTION AG·Filed 2013·Granted Dec 8, 2015·0 cites·1 claims
- 4850USPP15003P2Scaevola plant named ‘Scawihatis’SYNGENTA SEED BV·Filed 2003·Granted Jul 13, 2004·0 cites·1 claims
- 4949USPP29254P3Iberis plant named ‘IBSZ0004’SYNGENTA PARTICIPATIONS AG·Filed 2016·Granted Apr 24, 2018·0 cites·1 claims
- 5049USPP28450P3Aubrieta plant named ‘ABRZ0007’SYNGENTA PARTICIPATIONS AG·Filed 2016·Granted Sep 26, 2017·0 cites·1 claims
Showing the top 50 of 100 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →