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For the Inventor, By the Inventor

Yongin, South Korea

Geun-Seok Chai

This inventor holds 21 USPTO granted patents and 4 published patent applications and 4 EPO patents, primarily in Fuel Cell Technology. Top assignees: Samsung Sdi Co., Inc., Kolon Industries, Inc., Korea Atomic Energy Research Institute. Active years: 2010-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Geun-Seok Chai. Retrieved from https://idiyas.com/inventor/geun-seok-chai

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

USPTO Granted Patents = 21 

% Patents Active = 42.9

 

Average Co-Inventor Count = 5.5

ph-index = 2

Forward Citations = 18(Granted Patents)


Location History:

  • Suwon-si, KR (2010 - 2016)
  • Yongin-si, KR (2013 - 2018)

Company Filing History:

goldMedal19 out of 7,663 
 
Samsung Sdi Co., Inc.
 patents
silverMedal2 out of 411 
 
Kolon Industries, Inc.
 patents
bronzeMedal2 out of 428 
 
Korea Atomic Energy Research Institute
 patents
where one patent can have more than one assignee

Years Active: 2010-2018

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Areas of Expertise:
Membrane-Electrode Assembly
Fuel Cell Stack
Catalyst Layer
Electrode
Electricity Generation
Separator
Fuel Cell System
Porous Carbon
21 patents (USPTO):Explore Patents
1. 9954242 - Membrane-electrode assembly with a protective layer, and fuel cell stack and fabricating method of membrane-electrode assembly (2018-04-24),
2. 9653741 - Fuel cell stack (2017-05-16),
3. 9543590 - Catalyst layer composition for fuel cell, electrode for fuel cell, method of preparing electrode for fuel cell, membrane-electrode assembly for fuel cell, and fuel cell system using the membrane-electrode assembly (2017-01-10),
4. 9455449 - Electrode for fuel cell, and membrane-electrode assembly and fuel cell system including same (2016-09-27),
5. 9413026 - Electricity generation unit and fuel cell stack (2016-08-09),
6. 9397369 - Separator for fuel cell, and fuel cell system including same (2016-07-19),
7. 9356296 - Membrane-electrode assembly for fuel cell and fuel cell stack with the same (2016-05-31),
8. 9105936 - Fuel cell catalyst, method of preparing same, and membrane-electrode assembly for fuel cell and fuel cell system including same (2015-08-11),
9. 8940450 - Membrane electrode assembly for fuel cell and fuel cell stack (2015-01-27),
10. 8883367 - Catalyst for fuel cell, membrane-electrode assembly including same, and fuel cell system including same (2014-11-11),
11. 8735018 - Fuel cell stack having a membrane electrode assembly with a protective layer at an oxidant inlet region (2014-05-27),
12. 8735017 - Membrane-electrode assembly for fuel cell, method of manufacturing membrane-electrode assembly for fuel cell, and fuel cell system (2014-05-27),
13. 8647790 - Replacement device for membrane-electrode assembly of fuel cell stack with separators having recess portions (2014-02-11),
14. 8603931 - Method of preparing catalyst for fuel cell (2013-12-10),
15. 8597853 - Electrode catalyst for fuel cell, membrane-electrode assembly for fuel cell including same, and fuel cell system including same (2013-12-03),

Title: Geun-Seok Chai: Innovator in Fuel Cell Technologies

Introduction

Geun-Seok Chai is a distinguished inventor based in Yongin-si, South Korea, known for his significant contributions to fuel cell technology. With an impressive portfolio of 21 patents, Chai has been at the forefront of innovations that improve the efficiency and functionality of fuel cells.

Latest Patents

Among his latest patents, two stand out for their ingenuity: the "Membrane-electrode assembly with a protective layer" and a "Fuel cell stack and fabricating method of membrane-electrode assembly." The former patent describes a membrane-electrode assembly for a fuel cell, which includes an electrolyte membrane with an edge protective layer and a catalytic layer. The latter patent details a fuel cell stack that comprises multiple membrane electrolyte assemblies for enhanced performance, emphasizing efficient conductive material supply.

Career Highlights

Geun-Seok Chai has made significant strides in his career, having worked with reputable organizations such as Samsung SDI Co., Inc. and the Korea Atomic Energy Research Institute. His expertise in fuel cell technology has not only benefitted the companies he has worked for but has also contributed to the broader field of energy solutions.

Collaborations

Throughout his career, Chai has collaborated with talented individuals, including coworkers Myoung-Ki Min and Hee-Tak Kim. These professional relationships have fostered a collaborative environment that has led to groundbreaking inventions and improvements in fuel cell technology.

Conclusion

Geun-Seok Chai's work is a testament to the importance of innovative thinking in the field of fuel cell technologies. His patents contribute significantly to advancements in energy efficiency and sustainability, reflecting his dedication as an inventor. As the demand for cleaner energy sources continues to rise, Chai's contributions will undoubtedly play a crucial role in shaping the future of energy solutions.

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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