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For the Inventor, By the Inventor

Suwon, South Korea

Woo-jin Han

This inventor holds 256 USPTO granted patents and 23 published patent applications and 7 EPO patents, primarily in Video Encoding (CPC class H04N19-176). Top assignee: Samsung Electronics Co., Ltd.. Active years: 2007-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Woo-jin Han. Retrieved from https://idiyas.com/inventor/woo-jin-han

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

Calculating rank
USPTO Granted Patents = 256 

% Patents Active = 66.8

 

Average Co-Inventor Count = 2.9

ph-index = 17

Forward Citations = 1,149(Granted Patents)

Forward Citations (Not Self Cited) = 950(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Sunwon-si, KR (2014)
  • Suwon-si, JP (2015)
  • Suwon-si, KR (2007 - 2022)

Company Filing History:

goldMedal256 out of 138,671 
 
Samsung Electronics Co., Ltd.
 patents

Years Active: 2007-2022

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Areas of Expertise:
Video Encoding
Motion Prediction
Variable Partitions
Adaptive Filtering
Intra Prediction
Tree Structure
Residual Block
Low Complexity Entropy
256 patents (USPTO):Explore Patents
1. 11303883 - Method and apparatus for encoding video using variable partitions for predictive encoding, and method and apparatus for decoding video using variable partitions for predictive encoding (2022-04-12),
2. 10771779 - Method and apparatus for encoding video using variable partitions for predictive encoding, and method and apparatus for decoding video using variable partitions for predictive encoding (2020-09-08),
3. 10743026 - Video encoding method and device and decoding method and device (2020-08-11),
4. 10708616 - Method and apparatus for encoding and decoding motion vector based on reduced motion vector predictor candidates (2020-07-07),
5. 10484709 - Method and apparatus for encoding and decoding motion vector based on reduced motion vector predictor candidates (2019-11-19),
6. 10455252 - Video encoding method and device and decoding method and device (2019-10-22),
7. 10448042 - Method and apparatus for encoding video by motion prediction using arbitrary partition, and method and apparatus for decoding video by motion prediction using arbitrary partition (2019-10-15),
8. 10432965 - Video-encoding method and video-encoding apparatus based on encoding units determined in accordance with a tree structure, and video-decoding method and video-decoding apparatus based on encoding units determined in accordance with a tree structure (2019-10-01),
9. 10432948 - Determining intra prediction mode of image coding unit and image decoding unit (2019-10-01),
10. 10419751 - Method and apparatus for encoding video using variable partitions for predictive encoding, and method and apparatus for decoding video using variable partitions for predictive encoding (2019-09-17),
11. 10412411 - Video-encoding method and video-encoding apparatus using prediction units based on encoding units determined in accordance with a tree structure, and video-decoding method and video-decoding apparatus using prediction units based on encoding units determined in accordance with a tree structure (2019-09-10),
12. 10306262 - Video encoding method and video encoding apparatus and video decoding method and video decoding apparatus, which perform deblocking filtering based on tree-structure encoding units (2019-05-28),
13. 10257530 - Method and apparatus for encoding residual block, and method and apparatus for decoding residual block (2019-04-09),
14. 10225551 - Method and apparatus for encoding and decoding image by using large transform unit (2019-03-05),
15. 10218998 - Method and apparatus for encoding/decoding images using a motion vector of a previous block as a motion vector for the current block (2019-02-26),

Title: Woo-jin Han: A Pioneer in Video Encoding Innovations

Introduction:

Meet Woo-jin Han, an exceptional inventor and researcher hailing from Suwon-si, KR. With an impressive tally of 256 patents to his name, Woo-jin Han has made significant contributions to the field of video encoding. This article delves into his latest patents, career highlights, collaborations, and his association with Samsung Electronics Co., Ltd.

Latest Patents:

Woo-jin Han's recent patents include "Method and Apparatus for Encoding Video Using Variable Partitions for Predictive Encoding" and "Method and Apparatus for Decoding Video Using Variable Partitions for Predictive Encoding." These inventions focus on video encoding methods and apparatus that aim to enhance the efficiency and quality of video streaming.

The video encoding method proposed in these patents entails prediction encoding at the coding unit level using partitions determined by a first partition mode and partition level. This enables the selection of an appropriate partition for outputting an encoding result, while also encoding and outputting partition information representing the chosen partition's mode and level. By employing these techniques, Woo-jin Han's inventions contribute to achieving detailed motion prediction and improved video compression.

Career Highlights:

Woo-jin Han has enjoyed a remarkable career at Samsung Electronics Co., Ltd., a leading multinational technology company. As a distinguished inventor, his contributions in the field of video encoding have significantly advanced the capabilities of Samsung's products, ensuring smoother video playback and efficient data compression.

Collaborations:

Throughout his career, Woo-jin Han has collaborated with exceptional professionals, some of whom include Tammy Lee and Jung-hye Min. These collaborations have fostered an innovative environment, enabling the development of cutting-edge video encoding solutions. By pooling their expertise, Woo-jin Han and his coworkers have driven advancements in video encoding technology and contributed to Samsung's success in the industry.

Conclusion:

Woo-jin Han's wealth of patents, including his latest inventions related to video encoding, showcases his dedication and expertise in the field. His work at Samsung Electronics Co., Ltd. has not only pushed the boundaries of video technology but has also contributed to improved video streaming experiences for users worldwide. With such an extensive portfolio of inventions, Woo-jin Han continues to shape the future of video encoding, propelling the industry towards new frontiers of innovation.

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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