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

David A. Karol — 4 Patents

Apple: 4 patents #6,401 of 18,612Top 35%
San Francisco, CA: #9,676 of 26,999 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David A. Karol has been granted 4 US patents while listed as an inventor at Apple. The first was granted in 2023 and the most recent in November 2025. David A. Karol ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David A. Karol in San Francisco, CA, US.

Patents per Year

Patents granted per year, 2023 to 2025Bar chart with a peak of 2 patents in 2025.peak 22023: 1 patents20232024: 1 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12480988 Systems and methods for silicon crack detection structure Date Jan Willem Noorlag, Scott D. Hector, Vasu P. Ganti 2025-11-25
12376222 Printed circuit board with passthrough signal connections between a radio-frequency system and an antenna module Zhong-Jun Ma, Sean M. Gordoni, Daniel J. Morizio 2025-07-29
12057727 Coexistence with wireless power system Ali Navrozally, Lior Ben-Yehoshua, Zachary P Jasensky 2024-08-06 $268,361,000
11838432 Handheld electronic device Bryan D. Keen, Devon A. Monaco, Sherry Lee, Ihtesham H. Chowdhury, Eric N. Nyland +11 more 2023-12-05 $213,405,000