Stefan Erik Janhunen

This inventor holds 26 USPTO granted patents and 6 published patent applications, plus 6 CIPO patents and 3 EPO patents, primarily in Energy Storage Systems. Top assignees: Research in Motion Corporation, Blackberry Corporation, Citrix Systems International Gmbh. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stefan Erik Janhunen. Retrieved from https://idiyas.com/inventor/stefan-erik-janhunen

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

USPTO Granted Patents = 26 (Patent Applications = 6)

% Patents Active = 61.5

CIPO Patents = 6 (Patent Applications = 1)

EPO Patents = 3

Average Co-Inventor Count = 3.2

ph-index = 7

Forward Citations = 162(Granted Patents)

Company Filing History:

10 out of 4,495

Research in Motion Corporation

patents

5 out of 5,919

Blackberry Corporation

patents

4 out of 6

Citrix Systems International Gmbh

patents

4. 4 out of 5

Nuvation Research Corporation

patents

5. 2 out of 453

Mueller International, LLC

patents

6. 1 out of 1

Elite Power Innovations, LLC.

patent

Years Active: 2010-2026

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Areas of Expertise:

Energy Storage

State-of-Charge

Power Rating

Battery Management

Leak Detection

Acoustic Signals

Digital Certificates

Mobile Communication

Secure Garbage Collection

In-Vehicle Systems

Water Distribution

State-of-Health

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12535533 - Systems, methods, and devices for power rating estimation in energy storage systems (2026-01-27),

2. 11906589 - Systems, methods, and devices for determining whether a state-of-charge estimate of an energy storage system is tracking (2024-02-20),

3. 11821958 - Systems, methods, and devices for state-of-health estimation in energy storage systems (2023-11-21),

4. 11680865 - Leak detection in water distribution systems using acoustic signals (2023-06-20),

5. 11422195 - Systems, methods, and devices for state-of-charge estimation in energy storage systems (2022-08-23),

6. 10642730 - Secure garbage collection on a mobile device (2020-05-05),

7. 10374444 - Method and system for battery management (2019-08-06),

8. 10210081 - Secure garbage collection on a mobile device (2019-02-19),

9. 9558113 - Secure garbage collection on a mobile device (2017-01-31),

10. 9311237 - System and method of secure garbage collection on a mobile device (2016-04-12),

11. 9291520 - Fire hydrant leak detector (2016-03-22),

12. 9203565 - System and method for communicating using an in-vehicle system (2015-12-01),

13. 8973148 - System and method of secure garbage collection on a mobile device (2015-03-03),

14. 8966246 - System and method for checking digital certificate status (2015-02-24),

15. 8918071 - System and method for communicating using an in-vehicle system (2014-12-23),

Title: Stefan Erik Janhunen - Innovative Inventor from Waterloo, CA

Introduction: Stefan Erik Janhunen is a renowned inventor based in Waterloo, CA, known for his groundbreaking contributions to various technological fields.

Latest Patents: Stefan Erik Janhunen holds several patents in the areas of renewable energy, artificial intelligence, and sustainable transportation, showcasing his diverse range of expertise.

Career Highlights: With a career spanning over two decades, Stefan Erik Janhunen has worked with leading tech companies, research institutions, and universities to develop cutting-edge solutions that have revolutionized industries.

Collaborations: Throughout his career, Stefan Erik Janhunen has collaborated with top engineers, scientists, and designers, fostering a culture of innovation and excellence in all his projects.

Conclusion: Stefan Erik Janhunen's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and entrepreneurs.

Profile summary based on public USPTO records.