Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DH

Derek J. Hei — 1 Patent in 2021

Madison, WI: #168 of 630 inventorsTop 30%
Wisconsin: #1,578 of 4,723 inventorsTop 35%
Overall (2021): #476,311 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11174461 Colony forming medium and use thereof Igor I. Slukvin, Gene Uenishi, DIANA DRIER 2021-11-16