Ha Hyun Lee

Seoul, South Korea

Ha Hyun Lee

This inventor holds 460 USPTO granted patents and 162 published patent applications and 30 EPO patents, primarily in Image Encoding (CPC class H04N19-176). Top assignees: Electronics and Telecommunications Research Institute, Lx Semicon Co., Ltd., Sejong University. Active years: 2014-2026.

USPTO Granted Patents = 460 

% Patents Active = 90.0

 

Average Co-Inventor Count = 7.4

ph-index = 12

Forward Citations = 741(Granted Patents)

Forward Citations (Not Self Cited) = 319(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Daejeon, KR (2015 - 2023)
  • Seoul, KR (2014 - 2024)

Company Filing History:

goldMedal358 out of 11,769 
 
Electronics and Telecommunications Research Institute
 patents
silverMedal45 out of 267 
 
Lx Semicon Co., Ltd.
 patents
bronzeMedal37 out of 275 
 
Sejong University
 patents
4. 36 out of 638 
 
University-Industry Cooperation Group of Kyung Hee University
 patents
5. 26 out of 35 
 
Chips&media,inc
 patents
6. 25 out of 83 
 
Korea Aerospace University
 patents
7. 20 out of 380 
 
Intellectual Discovery Co., Ltd.
 patents
8. 19 out of 212 
 
Kwangwoon University Industry-Academic Collaboration Foundation
 patents
9. 17 out of 84 
 
Lx Semicon Co., Ltd.
 patents
10. 14 out of 2,787 
 
Korea Advanced Institute of Science and Technology
 patents
11. 12 out of 38 
 
Hanbat National University Industry-Academic Cooperation Foundation
 patents
12. 11 out of 1,352 
 
Sungkyunkwan University
 patents
13. 6 out of 12 
 
Industry-University Cooperation Foundation Korea Aerospace University
 patents
14. 4 out of 2,727 
 
Dolby Laboratories Licensing Corporation
 patents
15. 2 out of 4 
 
Chips & Media, INC
 patents
16. 2 out of 28 
 
Ideahub Inc.
 patents
17. 2 out of 18 
 
Intellectual Discovery, Inc.
 patents
18. 1 out of 4 
 
Handong Global University Industry-Academic Cooperation Foundation
 patents
19. 1 out of 1 
 
Industry-Academic Cooperation Foundation Hanbat National Univ
 patent
20. 1 out of 1 
 
Research & Business Foundation Sungyunwan University
 patent
21. 1 out of 1 
 
Research and Telecommunications Research Insitute
 patent
where one patent can have more than one assignee

Years Active: 2014-2026

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Areas of Expertise:
Image Encoding
Video Encoding
Intra Prediction
Quantization Matrix
Bitstream Storage
Adaptive Filtering
Motion Vector
Temporal Prediction
Sub-block Division
Filter Information
Bi-directional Optical Flow
Arithmetic Encoding
460 patents (USPTO):Explore Patents

Title: Ha Hyun Lee: Innovating the Future of Image Encoding and Decoding

Introduction:

In the ever-evolving field of image encoding and decoding, Ha Hyun Lee stands out as a distinguished inventor and researcher. Based in Seoul, South Korea, Lee has contributed significantly to the development of technologies that simplify the encoding and decoding of ultra-high definition images. With an impressive track record of 210 patents, Lee's work has had a profound impact on the industry.

Latest Patents:

Among his most recent patents, one that stands out is the "Method and device for simplifying the encoding and decoding of ultra-high definition images." This invention introduces an advanced encoding device that utilizes predictive coding within a screen, resulting in enhanced efficiency and optimized output. By generating prediction blocks and entropy encoding, the device optimizes encoding information and differential blocks, thus driving the potential for high-quality image decoding.

Another notable patent is the "Image encoding/decoding method and device, and recording medium in which bitstream is stored." This innovation focuses on a decoding method that incorporates inter and intra-prediction techniques to generate final prediction blocks. By applying weighting factors to inter and intra prediction blocks, this method allows for an optimized decoding process while utilizing predefined intra prediction modes.

Career Highlights:

Throughout his esteemed career, Ha Hyun Lee has been associated with renowned institutions in the field of electronics and telecommunications. He has made substantial contributions at the Electronics and Telecommunications Research Institute, an organization at the forefront of technological advancements in South Korea. Additionally, Lee has been an integral part of the University-industry Cooperation Group of Kyung Hee University, where he continues to push the boundaries of innovation.

Collaborations:

Collaboration has been a significant aspect of Lee's career, allowing him to exchange ideas and work alongside talented professionals. Notably, he has collaborated with Hui Yong Kim and Sung Chang Lim, both esteemed experts in their respective fields. These collaborations have resulted in insightful research and inventions that have propelled the field of image encoding and decoding forward.

Conclusion:

Ha Hyun Lee's contributions to the field of image encoding and decoding have been instrumental in advancing the capabilities of ultra-high definition image processing. With a wealth of patents demonstrating his innovative mindset and technical prowess, Lee continues to be a key figure driving progress in this ever-evolving domain. His dedication to simplifying the encoding and decoding processes sets the stage for groundbreaking technologies that will shape the future of visual data handling.

Profile summary based on public USPTO records.
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