Wei-Jung Chien

This inventor holds 267 USPTO granted patents and 57 published patent applications, plus 33 CIPO patents and 91 EPO patents, primarily in Video Coding (CPC class H04N19-176). Top assignees: Qualcomm Incorporated, Shumaker & Sieffert, P.a.. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wei-Jung Chien. Retrieved from https://idiyas.com/inventor/wei-jung-chien

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

USPTO Granted Patents = 267 (Patent Applications = 57)

% Patents Active = 92.5

CIPO Patents = 33 (Patent Applications = 17)

EPO Patents = 91 (Patent Applications = 208)

Average Co-Inventor Count = 4.1

ph-index = 32

Forward Citations = 2,968(Granted Patents)

Forward Citations (Not Self Cited) = 2,461(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

San Diego, CA (2018)
San Diego, CA (US) (2013 - 2024)

Company Filing History:

266 out of 44,831

Qualcomm Incorporated

patents

1 out of 2

Shumaker & Sieffert, P.a.

patents

Years Active: 2013-2026

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Areas of Expertise:

Bandwidth Compression

Motion Vector Prediction

Adaptive GOP Structure

Video Coding

Chroma Quantization

High Dynamic Range Video

Intra Block Copy

Gradient-Based Prediction

Subblock Merge Candidates

Tree-Type Coding

Decoder Side Refinement

History-Based Prediction

267 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12755442 - Cross-component prediction for bandwidth compression (2026-10-06),

2. 12744895 - Filtering video data using a plurality of filters (2026-09-22),

3. 12573095 - Cross subtile prediction for bandwidth compression (2026-03-10),

4. 12556709 - Motion search for reference block selection (2026-02-17),

5. 12470709 - Predicting filter coefficients from fixed filters for video coding (2025-11-11),

6. 12348762 - Signaling sub-prediction unit motion vector predictor (2025-07-01),

7. 12341984 - Truncation error signaling and adaptive dither for lossy bandwidth compression (2025-06-24),

8. 12309400 - Fixed bit depth processing for cross-component linear model (CCLM) mode in video coding (2025-05-20),

9. 12244805 - Chroma quantization parameter (QP) derivation for video coding (2025-03-04),

10. 12212736 - Using unrefined motion vectors for performing decoder-side motion vector derivation (2025-01-28),

11. 12149707 - Intra block copy prediction restrictions in video coding (2024-11-19),

12. 12137217 - Adaptive GOP structure with future reference frame in random access configuration for video coding (2024-11-05),

13. 12096023 - Motion vector prediction (2024-09-17),

14. 12081780 - Advanced temporal motion vector prediction (2024-09-03),

15. 12075037 - Predicting filter coefficients from fixed filters for video coding (2024-08-27),

Title: Wei-Jung Chien: Pioneering Innovator in Video Coding Technology

Introduction:

In the ever-evolving world of video coding technology, San Diego-based inventor Wei-Jung Chien has made significant contributions, earning him a well-deserved reputation as a pioneering innovator. With an impressive portfolio of 240 patents and a knack for pushing the boundaries of efficiency and performance, Chien has played a vital role in shaping the future of video coding.

Latest Patents:

Chien's recent patents showcase his expertise in developing advanced video coding techniques. One notable invention is "Intra Video Coding Using a Decoupled Tree Structure." This patent demonstrates Chien's ability to optimize video compression by selectively coding chroma blocks according to a most probable mode (MPM) candidate list.

In another innovative patent titled "Tree-Type Coding for Video Coding," Chien introduces a multi-type tree-based partitioning scheme that efficiently subdivides video data based on a relative dimension value. This approach enhances the precision of partitioning, leading to improved video coding performance.

Career Highlights:

Throughout his career, Chien has made substantial contributions while working at renowned companies like Qualcomm Incorporated. His depth of knowledge and technical expertise has allowed him to develop groundbreaking video coding technologies and solutions that have revolutionized the industry. Chien's dedication to innovation and commitment to pushing boundaries have earned him a prominent place in the field.

Collaborations:

Chien has had the privilege of collaborating with exceptional individuals, including Marta Karczewicz and Li Zhang. These collaborations have facilitated the exchange of ideas and the creation of cutting-edge video coding techniques. By working with talented colleagues, Chien continues to refine and expand his innovative approach to video coding.

Conclusion:

Wei-Jung Chien's extensive patent portfolio, including his latest inventions in video coding technology, highlights his significant contributions to the field. His ability to optimize video compression techniques and develop advanced coding schemes sets him apart as a leading innovator. With collaborations that bolster his expertise and a relentless pursuit of technological advancements, Chien's influence on video coding is poised to shape the future of the industry.

Profile summary based on public USPTO records.