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USPTO Patent Rankings Data through Sept 30, 2025
MJ

Martin E. Johnson — 9 Patents in 2023

Apple: 9 patents #209 of 5,567Top 4%
Los Gatos, CA: #22 of 582 inventorsTop 4%
California: #1,592 of 67,585 inventorsTop 3%
Overall (2023): #9,858 of 537,848Top 2%
9 Patents 2023

Issued Patents 2023

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11832082 Self-calibrating microphone and loudspeaker arrays for wearable audio devices Jonathan D. Sheaffer, Daniel K. Boothe, Neal D. Evans, Nikolas T. Vitt, Christopher T. Eubank +3 more 2023-11-28
11832077 Spatial audio controller Sean A. Ramprashad, Peter D. Callaway, Jae Woo Chang, Daniel K. Boothe, Kostyantyn Komarov +4 more 2023-11-28
11818535 Loudspeaker with reduced audio coloration caused by reflections from a surface Simon K. Porter, Suzanne Hardy, John H. Sheerin 2023-11-14
11809784 Audio assisted enrollment Sawyer I. Cohen, Justin D. Crosby, Ruchir M. Dave, Benjamin J. Pope, Darius A. Satongar 2023-11-07
11812247 System to move sound into and out of a listener's head using a virtual acoustic system Afrooz Family, Darius A. Satongar, Jonathan D. Sheaffer, Lance Reichert, Peter V. Jupin 2023-11-07
11726161 Acoustic identification of audio products Christopher T. Eubank, Daniel K. Boothe, Jonathan D. Sheaffer 2023-08-15
11640275 Devices with enhanced audio Aleksandar Pance, Brett Bilbrey, Darby E. Hadley, Ronald N. Isaac 2023-05-02
11635938 Spatial management of audio Stuart J. Wood, Darius A. Satongar 2023-04-25
11595754 Personalized headphone EQ based on headphone properties and user geometry Darius A. Satongar, Antti J. Vanne, Tomi A. Huttunen 2023-02-28