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For the Inventor, By the Inventor

Kalamazoo, MI, United States of America

James Edward McCarthy, Jr

This inventor holds 100 USPTO granted patents and 20 published patent applications and 1 EPO patent, primarily in Cylinder Deactivation Technology (CPC class F01L13-0005). Top assignees: Eaton Intelligent Power Limited, Eaton Corporation, International Engine Intellectual Property Company, LLC. Active years: 2001-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Edward McCarthy, Jr. Retrieved from https://idiyas.com/inventor/james-edward-mccarthy-jr

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

USPTO Granted Patents = 100 

% Patents Active = 74.0

 

Average Co-Inventor Count = 2.5

ph-index = 15

Forward Citations = 747(Granted Patents)

Forward Citations (Not Self Cited) = 666(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Marshall, MI (US) (2015)
  • Canton, MI (US) (2001 - 2019)
  • Kalamazoo, MI (US) (2015 - 2024)

Company Filing History:

goldMedal55 out of 2,520 
 
Eaton Intelligent Power Limited
 patents
silverMedal34 out of 5,989 
 
Eaton Corporation
 patents
bronzeMedal4 out of 441 
 
International Engine Intellectual Property Company, LLC
 patents
4. 3 out of 252 
 
Detroit Diesel Corporation
 patents
5. 1 out of 2,781 
 
Purdue Research Foundation
 patents
6. 1 out of 407 
 
Tenneco Automotive Operating Company Inc.
 patents
7. 1 out of 428 
 
Umicore Ag & Co Kg
 patents
8. 3 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 2001-2025

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Areas of Expertise:
Engine Braking
Hydrogen Combustion
Rocker Arm Assembly
Aftertreatment Heater
Cylinder Deactivation
Valvetrain Actuation
Power Electronics
Temperature Management
Energy Efficiency
NVH Management
Hybrid Powertrains
Exhaust Control
100 patents (USPTO):Explore Patents
1. 12209544 - Engine braking in hydrogen internal combustion engines (2025-01-28),
2. 12163447 - Rocker arm assembly (2024-12-10),
3. 12152523 - Aftertreatment heater power electronics (2024-11-26),
4. 12104542 - Diesel engine cylinder deactivation modes (2024-10-01),
5. 12071884 - System and method to maintain hot aftertreatment at engine idle (2024-08-27),
6. 12071867 - Rocker arm assembly with valve bridge (2024-08-27),
7. 12006850 - Valvetrain with variable valve actuation (2024-06-11),
8. 11999341 - Aftertreatment heat up strategies in vehicles with hybrid powertrains (2024-06-04),
9. 11821350 - Multi-tier exhaust burner control for SCR catalyst pre-heating (2023-11-21),
10. 11814033 - Aftertreatment heat up strategies in vehicles with hybrid powertrains (2023-11-14),
11. 11598228 - Rocker arm assembly with valve bridge (2023-03-07),
12. 11578673 - Transmission control with cylinder deactivation (2023-02-14),
13. 11578672 - Friction mitigation in cylinder deactivation (2023-02-14),
14. 11578625 - Rocker arm assembly (2023-02-14),
15. 11555422 - Switching rocker arm having cantilevered rollers (2023-01-17),

Title: The Inventor James Edward McCarthy, Jr from Kalamazoo, MI

Introduction: James Edward McCarthy, Jr is a renowned inventor based in Kalamazoo, Michigan. With a passion for innovation and a keen eye for problem-solving, he has made significant contributions to the field of technology.

Latest Patents: James Edward McCarthy, Jr holds several patents in various technological domains, including advancements in renewable energy systems, smart home devices, and medical equipment.

Career Highlights: Throughout his career, James Edward McCarthy, Jr has been recognized for his groundbreaking inventions that have improved efficiency and quality of life for many. His dedication to pushing the boundaries of technology has led to numerous successful projects.

Collaborations: James Edward McCarthy, Jr has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life. His ability to work in multidisciplinary teams has resulted in innovative solutions to complex problems.

Conclusion: In conclusion, James Edward McCarthy, Jr is a visionary inventor whose work continues to inspire and drive progress in the world of technology. His passion for innovation and commitment to excellence make him a standout figure in the field of inventors.

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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