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 26–50 of 100 patents

Patent #TitleCo-InventorsDate
PP30362 Arenaria plant named ‘AMOZ0002’ 2019-04-09
PP29998 Verbena plant named ‘VEAZ0047’ 2018-12-18
PP29529 Gaillardia plant named ‘GAIZ0007’ 2018-07-17
PP29517 Verbena plant named ‘VEAZ0042’ 2018-07-17
PP29518 Verbena plant named ‘VEAZ0043’ 2018-07-17
PP29519 Verbena plant named ‘VEAZ0046’ 2018-07-17
PP29408 Achillea plant named ‘ACBZ0004’ 2018-06-19
PP29407 Achillea plant named ‘ACBZ0003’ 2018-06-19
PP29382 Iberis plant named ‘IBSZ0002’ 2018-06-12
PP29384 Verbena plant named ‘VEAZ0033’ 2018-06-12
PP29385 Verbena plant named ‘VEAZ0030’ 2018-06-12
PP29356 Saxifraga plant named ‘SAXZ0015’ 2018-06-05
PP29357 Verbena plant named ‘VEAZ0039’ 2018-06-05
PP29330 Saxifraga plant named ‘SAXZ0014’ 2018-05-29
PP29332 Verbena plant named ‘VEAZ0031’ 2018-05-29
PP29331 Erysimum plant named ‘ERFZ0003’ 2018-05-29
PP29254 Iberis plant named ‘IBSZ0004’ 2018-04-24
PP29256 Saxifraga plant named ‘SAXZ0013’ 2018-04-24
PP29257 Saxifraga plant named ‘SAXZ0016’ 2018-04-24
PP29208 Lavandula plant named ‘LABZ0007’ 2018-04-03
PP29133 Verbena plant named ‘VEAZ0038’ 2018-03-20
PP29144 Campanula plant named ‘CIPZ0003’ 2018-03-20
PP28962 Aubrieta plant named ‘ABRZ0006’ 2018-02-13
PP28878 Aubrieta plant named ‘ABRZ0004’ 2018-01-16
PP28862 Aubrieta plant named ‘ABRZ0005’ 2018-01-09