Gyeonggi-do, South Korea

Soon Il Jeon

This inventor holds 27 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Fuel Cell Technology. Top assignees: Hyundai Motor Company, Kia Motors Corporation. Active years: 2008-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Soon Il Jeon. Retrieved from https://idiyas.com/inventor/soon-il-jeon

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

USPTO Granted Patents = 27 

% Patents Active = 92.6

 

Average Co-Inventor Count = 2.9

ph-index = 5

Forward Citations = 74(Granted Patents)


Location History:

  • Yongin-si, KR (2008 - 2021)
  • Gyeonggi-do, KR (2011 - 2022)

Company Filing History:


Years Active: 2008-2022

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Areas of Expertise:
Fuel Cell System
Humidity Estimation
Vehicle Control
Cooling System
Pressure Sensor
Motor Rotation Speed
Safety Apparatus
Regenerative Braking
27 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Soon Il Jeon in Fuel Cell Technology**

Introduction

Soon Il Jeon, based in Gyeonggi-do, South Korea, is an accomplished inventor with a portfolio of 27 patents. His work primarily focuses on advancements in fuel cell technology, particularly related to humidity control and water management in fuel cells.

Latest Patents

Among his most recent inventions are the "Controller for estimating relative humidity and condensed water" and the "method for controlling condensed water drain using the same." These innovations provide significantly enhanced methods for estimating relative humidity and managing condensed water in fuel cell systems. The inventions utilize various key parameters, such as air-side and hydrogen-side relative humidity, instantaneous and cumulative condensed water metrics, and catalyst layer conditions, to improve the efficiency and effectiveness of fuel cells.

Career Highlights

Throughout his career, Soon Il Jeon has made significant contributions while working at notable automotive companies such as Hyundai Motor Company and Kia Motors Corporation. His experience in these industry-leading organizations has shaped his expertise in fuel cell technology and innovation.

Collaborations

During his professional journey, Jeon has collaborated with talented colleagues, including Sang Uk Kwon and Dong Hun Lee. These partnerships have undoubtedly enriched his projects and fueled his inventive process, leading to groundbreaking solutions in fuel cell technology.

Conclusion

Soon Il Jeon's contributions to fuel cell innovation demonstrate his commitment to advancing technology in this crucial area. His extensive patent portfolio and experience in reputable companies underscore his role as a leading inventor in the field. As fuel cell technology continues to evolve, Jeon's innovative solutions are likely to play an integral part in shaping its future.

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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