Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Daniel K. Boothe

Apple: 4 patents #648 of 5,567Top 15%
San Francisco, CA: #579 of 7,301 inventorsTop 8%
California: #5,965 of 67,585 inventorsTop 9%
Overall (2023): #50,178 of 537,848Top 10%
4 Patents 2023

Issued Patents 2023

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11832077 Spatial audio controller Sean A. Ramprashad, Peter D. Callaway, Jae Woo Chang, Martin E. Johnson, Kostyantyn Komarov +4 more 2023-11-28
11832082 Self-calibrating microphone and loudspeaker arrays for wearable audio devices Jonathan D. Sheaffer, Martin E. Johnson, Neal D. Evans, Nikolas T. Vitt, Christopher T. Eubank +3 more 2023-11-28
11726161 Acoustic identification of audio products Christopher T. Eubank, Martin E. Johnson, Jonathan D. Sheaffer 2023-08-15
11606633 Speaker assembly Paul X. Wang, Chanjuan Feng, Christopher Wilk, Dinesh C. Mathew, Keith J. Hendren +6 more 2023-03-14