Vijayaraghavan Thirumalai

This inventor holds 53 USPTO granted patents and 5 published patent applications, plus 8 CIPO patents and 24 EPO patents, primarily in Display Stream Compression (CPC class H04N). Top assignees: Qualcomm Incorporated, Samsung Display Co., Ltd., Samsung Displayco., Ltd.. Active years: 2017-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Vijayaraghavan Thirumalai. Retrieved from https://idiyas.com/inventor/vijayaraghavan-thirumalai

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

USPTO Granted Patents = 53 (Patent Applications = 5)

% Patents Active = 94.3

CIPO Patents = 8 (Patent Applications = 3)

EPO Patents = 24 (Patent Applications = 44)

Average Co-Inventor Count = 2.1

ph-index = 8

Forward Citations = 231(Granted Patents)

Forward Citations (Not Self Cited) = 179(Dec 10, 2025)

Inventors with similar research interests:

Location History:

San Diego, CA (US) (2017 - 2021)
Fremont, CA (US) (2020 - 2024)

Company Filing History:

37 out of 45,002

Qualcomm Incorporated

patents

15 out of 27,288

Samsung Display Co., Ltd.

patents

1 out of 291

Samsung Displayco., Ltd.

patents

Years Active: 2017-2025

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Areas of Expertise:

Entropy Coding

Video Coding

Compression

Display Stream

Quantization Parameter

Motion Prediction

Intra Prediction

Rate Control

Hybrid Data Compression

Error Diffusion

Color Transform

53 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12283071 - Systems and methods for scalable throughput entropy coders (2025-04-21),

2. 12075054 - Compression with positive reconstruction error (2024-08-27),

3. 11936898 - DPCM codec with higher reconstruction quality on important gray levels (2024-03-19),

4. 11770535 - Systems and methods for joint color channel entropy encoding with positive reconstruction error (2023-09-26),

5. 11715239 - Systems and methods for scalable throughput entropy coders (2023-08-01),

6. 11546611 - Rate control for fixed rate foveated display compression (2023-01-03),

7. 11509897 - Compression with positive reconstruction error (2022-11-22),

8. 11503322 - DPCM codec with higher reconstruction quality on important gray levels (2022-11-15),

9. 11468601 - Systems and methods for scalable throughput entropy coder (2022-10-11),

10. 11431968 - Variable number of intra modes for video coding (2022-08-30),

11. 11343512 - Systems and methods for compression with constraint on maximum absolute error (2022-05-24),

12. 11244476 - Systems and methods for low-complexity near lossless fixed-rate hybrid data compression codecs (2022-02-08),

13. 11095893 - Primary transform and secondary transform in video coding (2021-08-17),

14. 11082703 - Neighbor based signaling of intra prediction modes (2021-08-03),

15. 10986360 - Various improvements to FRUC template matching (2021-04-20),

Title: Spotlight on Inventor Vijayaraghavan Thirumalai

Introduction: Meet Vijayaraghavan Thirumalai, an innovative inventor based in San Diego, CA, with an impressive portfolio of 51 patents. His groundbreaking work has made significant contributions to the field of image compression and storage systems.

Latest Patents:

1. DPCM codec with higher reconstruction quality on important gray levels: This patent introduces a method for compressing frames in an image compression and storage system, ensuring higher reconstruction quality on important gray levels through innovative techniques like mapping, residue determination, and quantization.

2. Systems and methods for joint color channel entropy encoding with positive reconstruction error: This patent focuses on joint color channel entropy encoding, ensuring a non-negative reconstruction error by leveraging separate color channel quantization branches for each color channel. This approach enhances the overall image encoding process.

Career Highlights: Vijayaraghavan Thirumalai has made significant contributions to leading companies such as Qualcomm Incorporated and Samsung Display Co., Ltd. His expertise and innovative mindset have driven advancements in image processing technologies, earning him a stellar reputation in the industry.

Collaborations: Throughout his career, Vijayaraghavan Thirumalai has collaborated with esteemed professionals like Natan Jacobson and Rajan Laxman Joshi. Together, they have worked on cutting-edge projects, fostering a culture of innovation and excellence.

Conclusion: Vijayaraghavan Thirumalai stands out as a visionary inventor who continues to push the boundaries of technology through his ingenious patents and collaborative efforts. His work underscores the importance of innovation in driving progress and shaping the future of image processing technologies.

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Profile summary based on public USPTO records.