NJ

Nathan A. Johanningsmeier

Apple: 4 patents #463 of 3,100Top 15%
📍 San Jose, CA: #592 of 5,790 inventorsTop 15%
🗺 California: #5,062 of 57,791 inventorsTop 9%
Overall (2016): #37,690 of 481,213Top 8%
4
Patents 2016

Issued Patents 2016

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9332343 Multi-channel audio system having a shared current sense element for estimating individual speaker impedances using test signals Roderick B. Hogan 2016-05-03
9263992 Class D amplifier with variable switching frequency David C. Breece, III, Dirk Schmelzer 2016-02-16
9247345 Multi-channel audio system having a shared current sense element for estimating individual speaker impedances Roderick B. Hogan 2016-01-26
9231543 Audio power amplification with reduced input power supply crest factor Roderick B. Hogan, Joseph Curcio, Casey Hardy 2016-01-05