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For the Inventor, By the Inventor

Seoul, South Korea

Hyuk Jae Chang

This inventor holds 53 USPTO granted patents and 1 published patent application and 9 EPO patents, primarily in Fuel Cell Technology (CPC class H01M). Top assignees: Samsung Sdi Co., Inc., Samsung Electronics Co., Ltd., Pohang University of Science and Technology Foundation. Active years: 2002-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hyuk Jae Chang. Retrieved from https://idiyas.com/inventor/hyuk-jae-chang

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

USPTO Granted Patents = 53 

% Patents Active = 20.8

 

Average Co-Inventor Count = 3.2

ph-index = 7

Forward Citations = 231(Granted Patents)

Forward Citations (Not Self Cited) = 220(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Seongnam, KR (2002 - 2008)
  • Scongnam-si, KR (2008)
  • Gyeonngi-do, KR (2008)
  • Sungnam-si, KR (2010)
  • Seongnami-si, KR (2010)
  • Kyungki-do, KR (2007 - 2011)
  • Seoul, KR (2011)
  • Gyeonggi-do, KR (2012)
  • Yongin-si, KR (2011 - 2015)
  • Seongnam-si, KR (2007 - 2017)

Company Filing History:

goldMedal42 out of 7,663 
 
Samsung Sdi Co., Inc.
 patents
silverMedal9 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents
bronzeMedal1 out of 1,101 
 
Pohang University of Science and Technology Foundation
 patents
4. 1 out of 263 
 
Samsung Sdi., Ltd.
 patents
5. 1 out of 5,633 
 
The University of Texas System
 patents
6. 1 out of 16,008 
 
University of California
 patents
where one patent can have more than one assignee

Years Active: 2002-2017

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Areas of Expertise:
Fuel Cell
Catalyst
Mesoporous Carbon
Electrolyte Membrane
Carbon Nanotube
Hydrogen Production
Electrode Assembly
Nanocomposite
Power Unit
Fuel Composition
Water Recovery
Microcapsule Robot
53 patents (USPTO):Explore Patents
1. 9583775 - Fuel cell system and electronic device controlling the same (2017-02-28),
2. 9466843 - Electrode catalyst and method of preparing electrode catalyst for fuel cell, and membrane electrode assembly and fuel cell including same (2016-10-11),
3. 9180431 - Method of manufacturing hierarchical mesoporous carbon and carbon obtained thereby (2015-11-10),
4. 8993144 - Three dimensional shaped battery (2015-03-31),
5. 8791043 - Ordered mesoporous carbon composite catalyst, method of manufacturing the same, and fuel cell using the same (2014-07-29),
6. 8722282 - Power unit and cartridge, and fuel cell system comprising power unit and cartridge (2014-05-13),
7. 8603934 - Carbon nanosphere with at least one opening, method for preparing the same, carbon nanosphere-impregnated catalyst using the carbon nanosphere, and fuel cell using the catalyst (2013-12-10),
8. 8557212 - Mesoporous carbon composite containing carbon nanotube (2013-10-15),
9. 8343672 - Catalyst coated electrolyte membrane, fuel cell including the same, method of preparing the catalyst coated electrolyte membrane (2013-01-01),
10. 8333948 - Carbon nanotube for fuel cell, nanocomposite comprising the same, method for making the same, and fuel cell using the same (2012-12-18),
11. 8187764 - Fuel cell with moisture retentive layer in MEA (2012-05-29),
12. 8173712 - Modified inorganic material with ion exchange capacity, composite electolyte membrane comprising the same, and fuel cell comprising the composite electrolyte membrane (2012-05-08),
13. 8173096 - Carbon nanosphere with at least one opening, method for preparing the same, carbon nanosphere-impregnated catalyst using the carbon nanosphere, and fuel cell using the catalyst (2012-05-08),
14. 8142954 - Fuel composition for fuel cell and fuel cell using the same (2012-03-27),
15. 8114372 - Hierarchical mesoporous carbon, method of manufacturing the same, and fuel cell using the same (2012-02-14),

Title: Innovations and Contributions of Hyuk Jae Chang in Fuel Cell Technology

Introduction

Hyuk Jae Chang, based in Seoul, South Korea, is an esteemed inventor recognized for his significant contributions to fuel cell technology. With a remarkable portfolio of 53 patents, he continues to innovate and push the boundaries of energy solutions.

Latest Patents

Hyuk Jae Chang's latest innovations include a groundbreaking fuel cell system controlled by an electronic device. This patent outlines a method for operating a fuel cell system, enabling efficient communication of identification and status information through a serial communication line. The system's intricate design allows the electronic device to send control information that optimally adjusts the power production of the fuel cell by managing its peripheral devices.

Another notable patent involves an advanced electrode catalyst and its preparation method for fuel cells. This electrode catalyst presents superior electrochemical activity compared to existing platinum-based catalysts while being significantly more cost-effective. It comprises tungsten carbide, with a specific surface area of about 10 to 30 m/g, and incorporates palladium or palladium alloy, representing a major leap forward in fuel cell efficiency.

Career Highlights

Throughout his illustrious career, Hyuk Jae Chang has made substantial contributions while working with renowned companies, such as Samsung SDI Co., Inc. and Samsung Electronics Co., Ltd. His work has played a pivotal role in advancing fuel cell technologies, aligning with global efforts towards sustainable energy solutions.

Collaborations

Hyuk Jae Chang has collaborated with esteemed colleagues, including Chan-ho Pak and Hae-kyoung Kim. These partnerships have facilitated the exchange of knowledge and expertise, fostering an environment of innovation that has led to the successful development of cutting-edge technologies in the field of fuel cells.

Conclusion

Hyuk Jae Chang's innovative spirit and dedication to advancing fuel cell technology are evident in his extensive patent portfolio and collaborative efforts. His work not only highlights the importance of sustainable energy solutions but also inspires future generations of inventors to continue exploring innovative possibilities in the realm of clean energy.

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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