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For the Inventor, By the Inventor

Crystal Lake, IL, United States of America

Mark D Hetherington

This inventor holds 15 USPTO granted patents and 3 published patent applications, primarily in Cryptographic Key Management. Top assignees: Motorola Corporation, Bkey, Inc.. Active years: 2001-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mark D Hetherington. Retrieved from https://idiyas.com/inventor/mark-d-hetherington

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

Calculating rank
USPTO Granted Patents = 15 

% Patents Active = 80.0

Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 115(Granted Patents)


Company Filing History:

goldMedal12 out of 20,290 
 
Motorola Corporation
 patents
silverMedal3 out of 3 
 
Bkey, Inc.
 patents

Years Active: 2001-2025

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Areas of Expertise:
External Key Authentication
Key Regeneration
Cryptographic Key Management
Vocoder Erasure Processing
TCP/IP Retransmissions
CDMA Power Control
Error Correction
Communication Systems
Data Communication
Symbol Spreading
Decoding Errors
Frame Rate Determination
15 patents (USPTO):Explore Patents
1. 12445292 - External key authentication and regeneration (2025-10-14),
2. 12348641 - Authentication and key regeneration using a regenerated secret (2025-07-01),
3. 12341876 - Cryptographic key management and transfer (2025-06-24),
4. 7395202 - Method and apparatus to facilitate vocoder erasure processing (2008-07-01),
5. 7126917 - Method for dynamically adjusting the number of retransmissions and NAKs in a communications system implementing TCP/IP (2006-10-24),
6. 7080009 - Method and apparatus for reducing rate determination errors and their artifacts (2006-07-18),
7. 7054282 - Method and apparatus for power control on a discontinuous transmission channel in a CDMA system (2006-05-30),
8. 7003045 - Method and apparatus for error correction (2006-02-21),
9. 6937585 - Transmission scheme within a communication system (2005-08-30),
10. 6859456 - Method and apparatus for checking communicated data (2005-02-22),
11. 6836504 - Method and apparatus for spreading symbols in a communication system (2004-12-28),
12. 6570509 - Method and system for encoding to mitigate decoding errors in a receiver (2003-05-27),
13. 6285682 - Method and apparatus for determining the frame rate of a frame (2001-09-04),
14. 6249894 - Method for determining a need to retransmit a message in a communication system (2001-06-19),
15. 6169732 - Method and apparatus in a wireless communication system (2001-01-02),

Title: Mark D Hetherington - Innovator from Crystal Lake

Introduction: Mark D Hetherington is a renowned inventor based in Crystal Lake, Illinois. With a passion for innovation and problem-solving, he has made significant contributions to various fields through his inventive spirit.

Latest Patents: Mark D Hetherington holds several patents in the areas of technology and consumer products, showcasing his diverse range of interests and expertise.

Career Highlights: Throughout his career, Mark has demonstrated a keen ability to identify gaps in the market and develop unique solutions to address them. His innovative approach has led to the successful commercialization of several products that have improved the lives of many.

Collaborations: Mark D Hetherington has collaborated with leading companies and research institutions to bring his ideas to life. His partnerships have been instrumental in turning his concepts into tangible products that have had a positive impact on society.

Conclusion: Mark D Hetherington's dedication to innovation and his relentless pursuit of excellence make him a standout figure in the world of inventors. His work continues to inspire others to push the boundaries of what is possible through creativity and ingenuity.

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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