HS

Henricus Godefridus Wilhelmus Stemkens

SA Syngenta Participations Ag: 51 patents #13 of 1,106Top 2%
SA Syngenta Crop Protection Ag: 36 patents #8 of 703Top 2%
NB Novartis Seeds B.V.: 6 patents #1 of 1Top 100%
NA Novartis Ag: 3 patents #1,476 of 5,128Top 30%
SB Syngenta Seeds B.V.: 2 patents #9 of 20Top 45%
DB Ditoplant Export Bv: 1 patents #2 of 2Top 100%
SS Syngenta Seeds: 1 patents #7 of 7Top 100%
📍 Enkhuizen, NL: #1 of 123 inventorsTop 1%
Overall (All Time): #14,565 of 4,157,543Top 1%
100
Patents All Time

Issued Patents All Time

Showing 1–25 of 100 patents

Patent #TitleCo-InventorsDate
PP32762 Leucanthemum plant named ‘LEUZ0006’ 2021-01-19
PP32635 Verbena plant named ‘VEAZ0057’ 2020-12-15
PP32382 Helenium plant named ‘HEMZ0001’ 2020-10-20
PP32363 Verbena plant named ‘VEAZ0059’ 2020-10-20
PP32339 Helenium plant named ‘HEMZ0005’ 2020-10-13
PP32294 Helenium plant named ‘HEMZ0003’ 2020-10-06
PP32121 Leucanthemumplant named ‘Q3597-2’ 2020-08-25
PP31923 Verbena plant named ‘VEAZ0054’ 2020-06-30
PP31902 Erysimum plant named ‘ERFZ0006’ 2020-06-23
PP31801 Erysimum plant named ‘ERFZ0005’ 2020-05-26
PP31776 Erysimum plant named ‘ERFZ0004’ 2020-05-19
PP31619 Erysimum plant named ‘ERFZ0007’ 2020-03-31
PP31186 Lavandula plant named ‘LAAZ0008’ 2019-12-03
PP31164 Verbena plant named ‘VEAZ0051’ 2019-12-03
PP31163 Verbena plant named ‘VEAZ0050’ 2019-12-03
PP31165 Verbena plant named ‘VEAZ0048’ 2019-12-03
PP31092 Phlox plant named ‘PHMZ0002’ 2019-11-19
PP30908 Coreopsis plant named ‘CSGZ0005’ 2019-09-24
PP30826 Leucanthemum plant named ‘LEUZ0003’ 2019-08-20
PP30796 Verbena plant named ‘VEAZ0052’ 2019-08-13
PP30776 Leucanthemum plant named ‘LEUZ0005’ 2019-08-06
PP30778 Verbena plant named ‘VEAZ0053’ 2019-08-06
PP30701 Sedum plant named ‘SETZ0001’ 2019-07-09
PP30519 Iberis plant named ‘IBSZ0006’ 2019-05-21
PP30413 Lavandula plant named ‘LAAZ0006’ 2019-04-16