DS

David M. Signoff

Apple: 1 patents #1,968 of 4,948Top 40%
🗺 California: #19,344 of 55,090 inventorsTop 40%
Overall (2025): #408,783 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12348125 Charge pump-enabled circuit protection switch Fei Wang, Kefei Wu, Song Hu, Morteza Nick, Xiang Guan 2025-07-01