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Austin, TX, United States of America

Russell J Apfel

USPTO Granted Patents = 44 (Patent Applications = 6)

Average Co-Inventor Count = 1.3

ph-index = 12

Forward Citations = 505(Granted Patents)

Location History:

San Jose, CA (US) (1982)
Los Gatos, CA (US) (1986)
Austin, TX (US) (1997 - 2019)

Company Filing History:

17 out of 1,727

Silicon Laboratories Inc.

9 out of 12,890

Advanced Micro Devices Corporation

Audiotoniq, Inc.

4. 6 out of 122

III Holdings 4, LLC

Atonometrics, Inc.

Silison Laboratories Inc.

Years Active: 1982-2019

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Areas of Expertise:

Hearing Aids

Photovoltaic Modules

Power Over Ethernet

Voltage Regulators

Integrated Circuits

Portable Electronic Devices

Impedance Feedback

Current Sensing

Battery Switching

Amplifier Architecture

Detection Signature Circuit

Telephone Dialing Signals

44 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10462582 - Hearing aid and hearing aid dual use dongle (2019-10-29),

2. RE47063 - Hearing aid, computing device, and method for selecting a hearing aid profile (2018-09-24),

3. 9503825 - Hearing aid and hearing aid dual use dongle (2016-11-22),

4. 9413174 - I-V measurement system for photovoltaic modules (2016-08-09),

5. 9071917 - Hearing aid and hearing aid dual use dongle (2015-06-30),

6. 9065657 - Powered device including a detection signature circuit (2015-06-23),

7. 8831244 - Portable tone generator for producing pre-calibrated tones (2014-09-09),

8. 8792661 - Hearing aids, computing devices, and methods for hearing aid profile update (2014-07-29),

9. 8761421 - Portable electronic device and computer-readable medium for remote hearing aid profile storage (2014-06-24),

10. 8649538 - Hearing aid having multiple sound inputs and methods therefor (2014-02-11),

11. 8538049 - Hearing aid, computing device, and method for selecting a hearing aid profile (2013-09-17),

12. 8375231 - System and method of classification in power over ethernet systems (2013-02-12),

13. 8261104 - System and method of classification in power over ethernet systems (2012-09-04),

14. 8249247 - Tracking voltage regulator for a subscriber line interface circuit (2012-08-21),

15. 8064179 - Integrated circuit including a switching regulator design for power over Ethernet devices (2011-11-22),

Title: The Innovative Journey of Russell J Apfel

Introduction: Russell J Apfel is a renowned inventor based in Austin, Texas, known for his groundbreaking contributions to various industries.

Latest Patents: Russell J Apfel holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of innovations.

Career Highlights: With a career spanning over two decades, Russell J Apfel has worked with leading companies to develop cutting-edge solutions that have revolutionized the way we live and work.

Collaborations: Throughout his career, Russell J Apfel has collaborated with top researchers, engineers, and designers to bring his ideas to life, resulting in successful products that have had a significant impact on society.

Conclusion: Russell J Apfel's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and entrepreneurs.

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