Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JD

John C. DiFonzo — 3 Patents in 2021

Apple: 3 patents #877 of 5,196Top 20%
Cupertino, CA: #249 of 1,477 inventorsTop 20%
California: #8,414 of 66,859 inventorsTop 15%
Overall (2021): #77,482 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11028468 Soft magnetic alloy optimized for metal injection molding Abhijeet Misra, Charles J. Kuehmann, Daniel T. McDonald 2021-06-08
10955494 Magnetic field sensor in a portable electronic device Nicholas A. Renda, Jonathan L. Berk, Dylan A. Saracco, Alexander V. Salvatti, Eric J. Weirshauser 2021-03-23
10957501 Bistable retractable buttons Riley E. Brandt, Richard H. Koch, Zhipeng Zhang, Michael B. Wittenberg 2021-03-23