Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
DF

David B Fischer

Pioneer (Corteva): 4 patents #54 of 252Top 25%
📍 Robins, IA: #1 of 2 inventorsTop 50%
🗺 Iowa: #54 of 1,331 inventorsTop 5%
Overall (2025): #37,955 of 469,880Top 9%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12336479 Maize hybrid X05V409 Michael Adam Chandler, Christopher Michael Schaefer, Julia Xiuling Zhang 2025-06-24
12268152 Maize hybrid X08R605 2025-04-08
12225864 Maize inbred 1PWAU02 Julia Xiuling Zhang 2025-02-18
12225869 Maize inbred 1PDCS86 2025-02-18