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

David A. SCHAEFGEN

Apple: 1 patents #2,295 of 5,196Top 45%
San Jose, CA: #2,852 of 6,693 inventorsTop 45%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #479,616 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10902101 Techniques for displaying secure content for an application through user interface context file switching Paul William Chinn, Jin Bing Lin, Stephen F. Holt, Nils Moshe Abraham HAYAT, Jeffrey Y. Hayashida 2021-01-26