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For the Inventor, By the Inventor

Icheon, South Korea

Chang Hun Han

This inventor holds 81 USPTO granted patents and 21 published patent applications and 17 EPO patents, primarily in Super Absorbent Polymers (CPC class C08F). Top assignees: Dongbu Electronics, Co. Ltd., Lg Chem, Ltd, Db Hitek Co., Ltd.. Active years: 2005-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Hun Han. Retrieved from https://idiyas.com/inventor/chang-hun-han

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 = 64.2

 

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 230(Granted Patents)

Forward Citations (Not Self Cited) = 211(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kyoungki-do, KR (2005)
  • Icheon, KR (2006 - 2010)
  • Kyunggido, KR (2008 - 2010)
  • Seoul, KR (2009 - 2014)
  • Icheon-si, KR (2005 - 2022)
  • Gyeonggi-do, KR (2006 - 2024)
  • Daejeon, KR (2011 - 2024)

Company Filing History:

goldMedal32 out of 836 
 
Dongbu Electronics, Co. Ltd.
 patents
silverMedal25 out of 8,625 
 
Lg Chem, Ltd
 patents
bronzeMedal9 out of 137 
 
Db Hitek Co., Ltd.
 patents
4. 6 out of 110 
 
Dongbu Anam Semiconductor, Inc.
 patents
5. 4 out of 854 
 
Dongbu Hitek Co., Ltd.
 patents
6. 2 out of 24 
 
Db Hitek Co., Ltd.
 patents
7. 2 out of 5,406 
 
Lg Innotek Co., Ltd.
 patents
8. 1 out of 9 
 
Dongbu Hitekco., Ltd.
 patents
9. 1 out of 2,790 
 
Korea Advanced Institute of Science and Technology
 patents
where one patent can have more than one assignee

Years Active: 2005-2026

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Areas of Expertise:
Super Absorbent Polymer
Image Sensor
Thermoplastic Resin
Acrylonitrile-Butadiene-Styrene
Heat-Resistant ABS
MEMS Variable Capacitor
Styrene-Acrylonitrile Resin
Backside Illuminated Sensor
Impact Resistance
Transparent Copolymer Resin
Manufacturing Method
Preparation Method
81 patents (USPTO):Explore Patents
1. 12765084 - Backside illuminated image sensor (2026-10-13),
2. 12729276 - Method of preparing superabsorbent polymer (2026-09-08),
3. 12628359 - Deep trench capacitor and method of manufacturing same (2026-05-12),
4. 12516161 - Super absorbent polymer and preparation method thereof (2026-01-06),
5. 12516160 - Method for preparing super absorbent polymer (2026-01-06),
6. 12435191 - Super absorbent polymer and method for preparing same (2025-10-07),
7. 12410286 - Method for preparation of super absorbent polymer (2025-09-09),
8. 12034030 - Backside illuminated image sensor and method of manufacturing the same (2024-07-09),
9. 12030967 - Preparation method of super absorbent polymer (2024-07-09),
10. 12002835 - Backside illuminated image sensor and method of manufacturing the same (2024-06-04),
11. 11891487 - Preparation method of super absorbent polymer and super absorbent polymer therefrom (2024-02-06),
12. 11718694 - Super absorbent polymer and preparation method thereof (2023-08-08),
13. 11635421 - SAP evaluation apparatus (2023-04-25),
14. 11466128 - Superabsorbent polymer and preparation method thereof (2022-10-11),
15. 11362130 - Backside illuminated image sensor and method of manufacturing the same (2022-06-14),

Title: Chang Hun Han - Innovative Inventor from Icheon-si, South Korea

Introduction: Chang Hun Han is a pioneering inventor hailing from the vibrant city of Icheon-si in South Korea. With a passion for innovation and a keen eye for problem-solving, he has made significant contributions to the field of technology through his inventive spirit.

Latest Patents: Chang Hun Han holds several patents in the realm of electronics and telecommunications, showcasing his expertise in developing cutting-edge solutions for modern challenges. His recent patents focus on enhancing connectivity and efficiency in digital devices.

Career Highlights: Throughout his illustrious career, Chang Hun Han has been recognized for his groundbreaking inventions that have revolutionized the way we interact with technology. His innovative approach has led to the development of products that have set new standards in the industry.

Collaborations: Chang Hun Han has collaborated with leading tech companies and research institutions to further his inventions and bring them to the market. His partnerships have been instrumental in bridging the gap between concept and reality, resulting in successful product launches.

Conclusion: In conclusion, Chang Hun Han stands as a visionary inventor who continues to push the boundaries of technology with his creative solutions. His dedication to innovation and his relentless pursuit of excellence make him a standout figure in the world of inventors.

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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