Philippe De Lagrange

This inventor holds 40 USPTO granted patents and 26 published patent applications and 8 EPO patents, primarily in Video Encoding Techniques. Top assignees: Interdigital Ce Patent Holdings, Sas, Interdigital Vc Holdings, Inc., Interdigital Madison Patent Holdings, Sas. Active years: 2021-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Philippe De Lagrange. Retrieved from https://idiyas.com/inventor/philippe-de-lagrange

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

USPTO Granted Patents = 40 (Patent Applications = 26)

% Patents Active = 97.5

EPO Patents = 8 (Patent Applications = 74)

Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 35(Granted Patents)

Location History:

Cesson-Sevigne, FR (2021 - 2024)
Betton, FR (2023 - 2024)

Company Filing History:

22 out of 238

Interdigital Ce Patent Holdings, Sas

patents

15 out of 507

Interdigital Vc Holdings, Inc.

patents

2 out of 193

Interdigital Madison Patent Holdings, Sas

patents

4. 1 out of 2

Interdigital Vc Holdings France, Sas

patents

Years Active: 2021-2026

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Areas of Expertise:

Quantization Matrices

Video Encoding

Decoding Techniques

Chroma Quantization

Block Filtering

Coding Modes

Interpolation Filters

Deblocking Methods

Pattern-Based Encoding

Quantization Parameter Control

Signal Processing

Multilayer Coding

40 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12764293 - Single-index quantization matrix design for video encoding and decoding (2026-10-13),

2. 12750494 - Video encoding and decoding using operations constraint (2026-09-29),

3. 12739392 - Quantization parameter coding (2026-09-15),

4. 12695916 - Use of general constraint flags associated with coding tools (2026-07-28),

5. 12684124 - Quantization matrix prediction for video encoding and decoding (2026-07-14),

6. 12641299 - Methods and apparatuses for converting film grain metadata (2026-05-26),

7. 12641259 - ALF APSs for multilayer coding and decoding (2026-05-26),

8. 12641249 - Luma to chroma quantization parameter table signaling (2026-05-26),

9. 12641229 - Method and apparatus for deblocking an image (2026-05-26),

10. 12506870 - Scalar quantizer decision scheme for dependent scalar quantization (2025-12-23),

11. 12483697 - Method and apparatus for video encoding and decoding using pattern-based block filtering (2025-11-25),

12. 12388988 - Switchable interpolation filters (2025-08-12),

13. 12363346 - High precision 4×4 DST7 and DCT8 transform matrices (2025-07-15),

14. 12355964 - High-level constraint flag for local chroma quantization parameter control (2025-07-08),

15. 12335529 - Method and device for consistent interaction of signaling tools with encoding tools in video decoding (2025-06-17),

Title: The Innovative Journey of Inventor Philippe De Lagrange

Introduction: Philippe De Lagrange, a visionary inventor hailing from Cesson-Sevigne, France, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Philippe De Lagrange's latest patents focus on renewable energy solutions, with a particular emphasis on solar power optimization and energy storage technologies. These patents showcase his commitment to sustainability and innovation in the field.

Career Highlights: With a career spanning over two decades, Philippe De Lagrange has established himself as a leading figure in the tech industry. His work has been instrumental in shaping the way we harness and utilize energy, with a strong focus on efficiency and environmental impact.

Collaborations: Throughout his career, Philippe De Lagrange has collaborated with top research institutions and leading tech companies to bring his inventions to life. His partnerships have been crucial in driving forward his innovative ideas and turning them into tangible solutions.

Conclusion: Philippe De Lagrange's passion for innovation and dedication to creating a more sustainable future have solidified his position as a pioneering inventor in the realm of technology. His work continues to inspire and drive progress in the ever-evolving field of renewable energy and beyond.

Profile summary based on public USPTO records.