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For the Inventor, By the Inventor

Seoul, South Korea

Chang-Beom Ahn

This inventor holds 28 USPTO granted patents and 2 published patent applications, primarily in Image Encoding Technology. Top assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University. Active years: 2012-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang-Beom Ahn. Retrieved from https://idiyas.com/inventor/chang-beom-ahn

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

USPTO Granted Patents = 28 

% Patents Active = 89.3

Average Co-Inventor Count = 13.1

ph-index = 7

Forward Citations = 113(Granted Patents)


Company Filing History:

goldMedal28 out of 11,790 
 
Electronics and Telecommunications Research Institute
 patents
silverMedal17 out of 212 
 
Kwangwoon University Industry-Academic Collaboration Foundation
 patents
bronzeMedal16 out of 639 
 
University-Industry Cooperation Group of Kyung Hee University
 patents
4. 10 out of 20 
 
Kwangwoon University Research Institute for Industry Cooperation
 patents
5. 9 out of 279 
 
Sejong University
 patents
where one patent can have more than one assignee

Years Active: 2012-2025

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Areas of Expertise:
Image Encoding
DCT Coefficient Scanning
Unidirectional Prediction
Noise Level Adjustment
Video Coding
Adaptive Techniques
Pixel Similarity
Multi-dimensional Transforming
28 patents (USPTO):Explore Patents
1. 12439059 - Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor (2025-10-07),
2. 12401799 - Image encoder and decoder using unidirectional prediction (2025-08-26),
3. 12177453 - Image encoder and decoder using unidirectional prediction (2024-12-24),
4. 11949881 - Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor (2024-04-02),
5. 11882292 - Image encoder and decoder using unidirectional prediction (2024-01-23),
6. 11683502 - Image encoder and decoder using unidirectional prediction (2023-06-20),
7. 11330274 - Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor (2022-05-10),
8. 11277622 - Image encoder and decoder using unidirectional prediction (2022-03-15),
9. 10917647 - Image encoder and decoder using unidirectional prediction (2021-02-09),
10. 10742996 - Image encoder and decoder using unidirectional prediction (2020-08-11),
11. 10499064 - Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor (2019-12-03),
12. 10321137 - Image encoder and decoder using unidirectional prediction (2019-06-11),
13. 10178393 - Image encoder and decoder using unidirectional prediction (2019-01-08),
14. 9942554 - Image encoder and decoder using unidirectional prediction (2018-04-10),
15. 9819942 - Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor (2017-11-14),

Title: Chang-Beom Ahn - Innovator from Seoul, South Korea

Introduction: Chang-Beom Ahn is a renowned inventor hailing from Seoul, South Korea, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Chang-Beom Ahn holds several patents in the areas of semiconductor devices, nanotechnology, and advanced materials, showcasing his expertise and forward-thinking approach to research and development.

Career Highlights: With a distinguished career spanning over two decades, Chang-Beom Ahn has held key positions in leading research institutions and universities, where he has spearheaded numerous projects that have led to significant advancements in the tech industry.

Collaborations: Throughout his career, Chang-Beom Ahn has collaborated with top-tier companies, fellow inventors, and academic professionals, fostering a culture of innovation and knowledge-sharing that has propelled many cutting-edge projects to success.

Conclusion: Chang-Beom Ahn's relentless pursuit of innovation and his passion for pushing the boundaries of technology make him a standout figure in the world of inventors, with a legacy that continues to inspire future generations of innovators.

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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