Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Syngenta Crop Protection Ag › Henricus Godefriedus Wilhelmus Stemkens
HS

Henricus Godefriedus Wilhelmus Stemkens

Overall (1997): #8,085 of 185,788Top 5%
4 Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
PP9813 Germanium plant named `Sanwhite` — 1997-02-25
PP9801 Geranium plant named `Sanblotch` — 1997-02-11
PP9802 Geranium plant named `Sanlilac` — 1997-02-11
PP9803 Geranium plant named `Sanred` — 1997-02-11

Nearby-Ranked Inventors

Hiroya Abe4
Henry C. Yuen4
Herbert Worgotter4
Heinz Wolleb4
Heinz Stutzenberger4
Henry R. Sienkiewicz4
Helmut Schmidt4
Heinz Schippers4
Herbert Richter4