Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David C. Donovan — 2 Patents in 2021

KAKateeva: 2 patents #8 of 33Top 25%
Newark, CA: #37 of 186 inventorsTop 20%
California: #13,721 of 66,859 inventorsTop 25%
Overall (2021): #169,759 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11135854 Ejection control using imager Christopher R. Hauf, David C. Darrow 2021-10-05
11097560 Inkjet printer with substrate height position control Digby Pun, Alexander Sou-Kang Ko 2021-08-24