Eric J Swanson

This inventor holds 68 USPTO granted patents and 2 EPO patents, primarily in Audio Processing (CPC class H04R). Top assignees: Cirrus Logic Inc., Crystal Semiconductor Corporation, Silicon Laboratories Inc.. Active years: 1988-2019.

USPTO Granted Patents = 68

% Patents Active = 98.5

EPO Patents = 2

Average Co-Inventor Count = 1.8

ph-index = 23

Forward Citations = 1,592(Granted Patents)

Forward Citations (Not Self Cited) = 1,565(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Austin, TX (US) (1992 - 1997)
Buda, TX (US) (1988 - 2019)

Company Filing History:

Crystal Semiconductor Corporation

patents

1 out of 1,778

Silicon Laboratories Inc.

patents

4. 9 out of 834,307

Other

patents

Years Active: 1988-2019

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Areas of Expertise:

Microphone Technology

Digital Converters

Audio Amplifiers

Wireless Earpieces

Beamforming

Noise Invariant Circuits

Adaptive Calibration

Analog to Digital Conversion

Signal Processing

PWM Amplifiers

Data Conversion

Speaker-Microphone Systems

68 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10412479 - Headset management by microphone terminal characteristic detection (2019-09-10),

2. 10225653 - Systems and methods for using a piezoelectric speaker as a microphone in a mobile device (2019-03-05),

3. 10225652 - Systems and methods for using a speaker as a microphone (2019-03-05),

4. 9788094 - Wireless earpiece with local audio cache (2017-10-10),

5. 9628909 - Systems and methods for using a speaker as a microphone (2017-04-18),

6. 9510078 - Wireless earpiece with local audio cache (2016-11-29),

7. 9467778 - Beamforming a digital microphone array on a common platform (2016-10-11),

8. 9467777 - Interface for a digital microphone array (2016-10-11),

9. 9407991 - Systems and methods for using a speaker as a microphone in a mobile device (2016-08-02),

10. 9329614 - Bandgap with thermal drift correction (2016-05-03),

11. 9215532 - Systems and methods for using a speaker as a microphone in a mobile device (2015-12-15),

12. 9210493 - Wireless earpiece with local audio cache (2015-12-08),

13. 9008344 - Systems and methods for using a speaker as a microphone in a mobile device (2015-04-14),

14. 8525710 - Audio amplifier offset reduction using digital input/output comparisons (2013-09-03),

15. 8093951 - Pulse-width modulated (PWM) audio power amplifier having output signal magnitude controlled pulse voltage and switching frequency (2012-01-10),

Title: The Innovative Journey of Eric J Swanson

Introduction: Eric J Swanson, a distinguished inventor hailing from Buda, Texas, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Eric J Swanson holds several patents in various technological domains, including optical devices, imaging systems, and laser technologies.

Career Highlights: With a career spanning over two decades, Eric J Swanson has worked with leading tech companies, research institutions, and universities to develop cutting-edge solutions that have revolutionized the industry.

Collaborations: Throughout his career, Eric J Swanson has collaborated with top engineers, scientists, and researchers to bring his innovative ideas to life. His collaborative spirit has led to the successful implementation of numerous projects.

Conclusion: Eric J Swanson's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and engineers. His impact on the tech industry is truly remarkable.