NJ

Nathan A. Johanningsmeier

Apple: 22 patents #1,444 of 18,612Top 8%
📍 San Jose, CA: #2,904 of 32,062 inventorsTop 10%
🗺 California: #25,620 of 386,348 inventorsTop 7%
Overall (All Time): #194,248 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11455265 Data bus driver with electrical energy dump Roderick B. Hogan, James B. Reedy 2022-09-27
10963410 Data bus driver with electrical energy dump Roderick B. Hogan, James B. Reedy 2021-03-30
10666209 Increased output impedance switching amplifier and low-side recycle mode Roderick B. Hogan, Troy Murphy 2020-05-26
10283989 Electrical power converter and detachable energy storage reservoir Roderick B. Hogan, Evan D Ragsdale 2019-05-07
10254134 Interference-insensitive capacitive displacement sensing Roderick B. Hogan 2019-04-09
10212500 Digital transducer circuit Roderick B. Hogan, Girault W. Jones 2019-02-19
10146732 Time-division multiplexed data bus interface Girault W. Jones, Casey Hardy 2018-12-04
9967664 Sensor assembly for measuring diaphragm displacement and temperature in a micro speaker Yang Boon Quek, Scott P. Porter, Roderick B. Hogan, Hongdan Tao, Suzanne C. Brown +1 more 2018-05-08
9854355 Grounding circuit for alternate audio plug designs Roderick B. Hogan, Joseph C. Curcio, David C. Breece, III, Cara S. Yang, Kavitha Srinivasan 2017-12-26
9847713 Charge pump-based split-rail supply generation David C. Breece, III, Roderick B. Hogan 2017-12-19
9793658 Reuse of plug detection contacts to reduce crosstalk Roderick B. Hogan, Joseph C. Curcio 2017-10-17
9729964 Audio apparatus having dynamic ground break resistance Roderick B. Hogan, Girault W. Jones 2017-08-08
9699558 Creation of sub-sample delays in digital audio Girault W. Jones, Martin E. Johnson 2017-07-04
9654863 Main logic board with mounted speaker and integrated acoustic cavity Justin D. Crosby, Matthew A. Donarski, Andrew P. Bright, Joss N. Giddings, Ron A. Hopkinson +2 more 2017-05-16
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
9148718 Grounding circuit for alternate audio plug designs David C. Breece, III, Cara S. Yang, Kavitha Srinivasan 2015-09-29
9099967 Increasing ground noise rejection in audio systems David C. Breece, III, Cara S. Yang 2015-08-04
8942410 Magnetically biased electromagnet for audio applications Christopher Wilk, Martin E. Johnson, Patrick Kessler 2015-01-27
8644519 Electronic devices with improved audio Aleksandar Pance, Paul G. Puskarich, Craig C. Leong, Ronald N. Isaac, Ruchi Goel +3 more 2014-02-04