Seoul, South Korea

Hyoung-Juhn Kim

This inventor holds 81 USPTO granted patents and 19 published patent applications and 5 EPO patents, primarily in Fuel Cell Technology (CPC class H01M2008-1095). Top assignees: Korea Institute of Science and Technology, Samsung Sdi Co., Inc., Global Frontier Center for Multiscale Energy Systems. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hyoung-Juhn Kim. Retrieved from https://idiyas.com/inventor/hyoung-juhn-kim

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

USPTO Granted Patents = 81 

% Patents Active = 71.6

 

Average Co-Inventor Count = 8.2

ph-index = 6

Forward Citations = 185(Granted Patents)

Forward Citations (Not Self Cited) = 180(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Suwon-Si, KR (2007 - 2016)
  • Gyeonggi-do, KR (2010 - 2017)
  • Seoul, KR (2017 - 2024)

Company Filing History:


Years Active: 2007-2026

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Areas of Expertise:
Catalyst
Electrochemical Synthesis
Membrane-Electrode Assembly
Polymer Electrolyte Membrane
Electrolyte Membrane
Water Electrolysis
Carbon Support
High Temperature Fuel Cell
Single-Atom Catalyst
Nanoparticle Catalyst
Oxide Electrode
Hydrogen Generation
81 patents (USPTO):Explore Patents

Title: Hyoung-Juhn Kim: A Pioneer in Fuel Cell Technology

Introduction:

In the ever-evolving world of technology, inventors like Hyoung-Juhn Kim from Seoul, South Korea, stand out for their relentless pursuit of innovation. With a remarkable portfolio of 76 patents, Kim has made significant contributions to the field of fuel cell technology, pushing the boundaries of what is possible and inspiring future generations of inventors.

Latest Patents:

Among his latest patents is the "Fluorine-doped tin oxide support and Pt catalyst for fuel cell comprising the same." This patent introduces a fluorine-doped tin oxide support, a platinum catalyst for a fuel cell, and a novel production method. By enhancing electrical conductivity and electrochemical durability through doping fluorine into the tin oxide-based support, Kim's invention addresses degradation issues commonly found in conventional platinum/carbon catalysts.

Another notable patent is the "Catalyst electrode for fuel cell, manufacturing method thereof, and a fuel cell comprising the catalyst electrode." This patent showcases Kim's innovative approach in designing a catalyst electrode that includes an ionomer-ionomer support composite to prevent the collapse of the electrode's porous structure. The incorporation of high-conductivity carbon materials ensures the electrode's stability and remarkable performance under continuous operation.

Career Highlights:

Hyoung-Juhn Kim's groundbreaking work has been showcased at prestigious institutions such as the Korea Institute of Science and Technology and Samsung SDI Co., Inc. His expertise and dedication have been instrumental in advancing fuel cell technology and addressing critical challenges in the industry.

Collaborations:

Throughout his career, Kim has collaborated with esteemed colleagues such as Jong Hyun Jang and Sung Jong Yoo. Together, they have paved the way for innovative solutions in fuel cell technology, demonstrating the power of collaboration in driving meaningful advancements.

Conclusion:

Inventor Hyoung-Juhn Kim's passion for innovation and his commitment to pushing the boundaries of technology make him a true pioneer in the field. His groundbreaking patents and collaborative efforts underscore his remarkable contributions to fuel cell technology, inspiring a new wave of inventors to continue exploring the possibilities of tomorrow.

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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