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 51–75 of 100 patents

Patent #TitleCo-InventorsDate
PP28450 Aubrieta plant named ‘ABRZ0007’ 2017-09-26
PP28305 Stokesia plant named ‘Synstokhar’ 2017-08-15
PP28208 Phlox plant named ‘PHOZ0003’ 2017-07-18
PP28179 Achillea plant named ‘ACBZ0002’ 2017-07-11
PP28158 Phlox plant named ‘PHOZ0001’ 2017-07-04
PP27807 Gaillardia plant named ‘GAIZ0005’ 2017-03-21
PP27766 Gaillardia plant named ‘GAIZ0001’ 2017-03-07
PP27757 Verbena plant named ‘VEAZ0017’ 2017-03-07
PP27493 Lavandula plant named ‘LABZ0004’ 2016-12-20
PP27445 Gaillardia plant named ‘GAIZ0003’ 2016-12-06
PP27447 Lavandula plant named ‘LAAZ0005’ 2016-12-06
PP27398 Lavandula plant named ‘LABZ0005’ 2016-11-15
PP27399 Lavandula plant named ‘LABZ0006’ 2016-11-15
PP26197 Erysimum plant named ‘ERFZ0001’ 2015-12-08
PP25665 Verbena plant named ‘VEAZ0016’ 2015-06-30
PP25113 Iberis plant named ‘IBSZ0001’ 2014-11-25
PP24386 Verbena plant named ‘VEAZ0013’ 2014-04-15
PP24362 Saxifraga plant named ‘SAXZ0008’ 2014-04-01
PP24338 Saxifraga plant named ‘SAXZ0010’ 2014-03-25
PP24318 Saxifraga plant named ‘SAXZ0009’ 2014-03-18
PP24199 Aubrieta plant named ‘ABRZ0001’ 2014-01-28
PP24182 Aubrieta plant named ‘ABRZ0002’ 2014-01-21
PP24126 Verbena plant named ‘VEAZ0015’ 2013-12-31
PP24017 Saxifraga plant named ‘SAXZ0006’ 2013-11-05
PP24005 Saxifraga plant named ‘SAXZ0004’ 2013-10-29