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For the Inventor, By the Inventor

Chicago, IL, United States of America

Stephen Drake Julstrom

This inventor holds 25 USPTO granted patents and 1 published patent application, primarily in Hearing Technology. Top assignees: Etymotic Research, Inc., Shure Brothers Incorporated, Sensaphonics, Inc.. Active years: 1987-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen Drake Julstrom. Retrieved from https://idiyas.com/inventor/stephen-drake-julstrom

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 25 

% Patents Active = 92.0

Average Co-Inventor Count = 1.7

ph-index = 18

Forward Citations = 1,124(Granted Patents)


Location History:

  • Evanston, IL (US) (1987)
  • Chicago, IL (US) (1987 - 2024)

Company Filing History:

goldMedal16 out of 130 
 
Etymotic Research, Inc.
 patents
silverMedal6 out of 55 
 
Shure Brothers Incorporated
 patents
bronzeMedal2 out of 2 
 
Sensaphonics, Inc.
 patents
4. 1 out of 834,708 
Other
 patents

Years Active: 1987-2024

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Areas of Expertise:
Audio Monitoring
Wind Noise Reduction
Telecoil Filter
Rechargeable Battery
Magnetically Coupled Charging
Directional Microphone
Multi-Coil Coupling
Echo Reduction
Microphone Mixer
Teleconference System
Hearing Aid Applications
Battery Assembly
25 patents (USPTO):Explore Patents
1. 11894819 - Audio monitoring system (2024-02-06),
2. 11095965 - System and method for reducing wind noise in an electronic hearing protector (2021-08-17),
3. 10779069 - System and method for reducing wind noise in an electronic hearing protector (2020-09-15),
4. 10476609 - Telecoil hum filter (2019-11-12),
5. 9859990 - Telecoil hum filter (2018-01-02),
6. 9232292 - Electronic earplug windscreen (2016-01-05),
7. 8649540 - Electronic earplug (2014-02-11),
8. 8460816 - Rechargeable battery assemblies and methods of constructing rechargeable battery assemblies (2013-06-11),
9. 8237402 - Magnetically coupled battery charging system (2012-08-07),
10. 8174234 - Magnetically coupled battery charging system (2012-05-08),
11. 8174233 - Magnetically coupled battery charging system (2012-05-08),
12. 8160261 - Audio monitoring system (2012-04-17),
13. 8022775 - Systems and methods for maintaining a drive signal to a resonant circuit at a resonant frequency (2011-09-20),
14. 7522740 - Multi-coil coupling system for hearing aid applications (2009-04-21),
15. 7110553 - Directional microphone assembly for mounting behind a surface (2006-09-19),

Title: The Inventor Stephen Drake Julstrom: Pioneering Innovations in Chicago

Introduction: Stephen Drake Julstrom is a renowned inventor based in Chicago, Illinois, known for his groundbreaking contributions to various industries through his innovative creations.

Latest Patents: Stephen Drake Julstrom holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of expertise and creativity.

Career Highlights: With a career spanning over two decades, Julstrom has consistently pushed the boundaries of innovation, with his inventions revolutionizing the way we interact with everyday products and services.

Collaborations: Throughout his career, Stephen Drake Julstrom has collaborated with leading companies, research institutions, and universities to further develop and implement his inventions, solidifying his reputation as a visionary inventor.

Conclusion: Stephen Drake Julstrom's passion for innovation and his relentless pursuit of excellence have cemented his legacy as a pioneering inventor, shaping the future of technology and beyond.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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