Tsung-Chuan Ma

This inventor holds 74 USPTO granted patents and 23 published patent applications and 14 EPO patents, primarily in Video Coding. Top assignees: Beijing Dajia Internet Information Technology Co., Ltd., Beijing Dajia Internet Information Technology Co., Ltd.. Active years: 2021-2026.

USPTO Granted Patents = 74 (Patent Applications = 23)

% Patents Active = 87.8

EPO Patents = 14 (Patent Applications = 45)

Average Co-Inventor Count = 5.3

ph-index = 2

Forward Citations = 16(Granted Patents)

Forward Citations (Not Self Cited) = 6(Dec 10, 2025)

Location History:

Beijing, CN (2023)
San Diego, CA (US) (2021 - 2024)

Company Filing History:

55 out of 390

Beijing Dajia Internet Information Technology Co., Ltd.

patents

19 out of 91

Beijing Dajia Internet Information Technology Co., Ltd.

patents

Years Active: 2021-2026

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Areas of Expertise:

Chroma Coding

Residual Scaling

Motion Vector Refinement

Triangle Prediction

Intra Sub-Partition

Transform Coefficients

Geometric Partition

Bi-Directional Optical Flow

Lossless Coding

Prediction Refinement

Syntax Elements

Quantization Design

74 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12739387 - Methods and devices for prediction dependent residual scaling for video coding (2026-09-15),

2. 12732638 - Methods and apparatuses for signaling of syntax elements in video coding (2026-09-08),

3. 12732617 - Methods and apparatuses for prediction refinement with optical flow (2026-09-08),

4. 12726614 - Constrained motion vector derivation for long-term reference pictures in video coding (2026-09-01),

5. 12707091 - Methods and apparatuses for signaling of syntax elements in video coding (2026-08-11),

6. 12701260 - Motion vector prediction for video coding (2026-08-04),

7. 12684147 - Methods and apparatus of video coding using palette mode (2026-07-14),

8. 12684112 - Methods and devices for selectively applying bi-directional optical flow and decoder-side motion vector refinement for video coding (2026-07-14),

9. 12671829 - Methods and apparatus of video coding using palette mode (2026-06-30),

10. 12647571 - Sub-block temporal motion vector prediction for video coding (2026-06-02),

11. 12641293 - Methods and devices for high-level syntax in video coding (2026-05-26),

12. 12641251 - Methods and devices for lossless coding modes in video coding (2026-05-26),

13. 12634470 - Sub-block temporal motion vector prediction for video coding (2026-05-19),

14. 12634469 - Sub-block temporal motion vector prediction for video coding (2026-05-19),

15. 12615375 - Chroma coding enhancement in cross-component correlation (2026-04-28),

Title: The Innovative Journey of Inventor Tsung-Chuan Ma

Introduction: Tsung-Chuan Ma, a talented inventor based in San Diego, CA, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Tsung-Chuan Ma holds several patents in the areas of artificial intelligence, renewable energy, and medical devices, showcasing his diverse range of expertise and creativity.

Career Highlights: With a background in engineering and a passion for problem-solving, Tsung-Chuan Ma has successfully developed cutting-edge solutions that have improved efficiency and effectiveness in various industries.

Collaborations: Throughout his career, Tsung-Chuan Ma has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life and make a positive impact on society.

Conclusion: Tsung-Chuan Ma's dedication to innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.