Christophe Martinez

This inventor holds 28 USPTO granted patents and 14 published patent applications and 22 EPO patents, primarily in Optical Projection Systems. Top assignees: Commissariat a L'energie Atomique Et Aux Energies Alternatives, Centre National De La Recherche Scientifique, Institut Polytechnique De Grenoble. Active years: 2005-2026.

USPTO Granted Patents = 28 (Patent Applications = 14)

% Patents Active = 39.3

EPO Patents = 22 (Patent Applications = 33)

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 70(Granted Patents)

Company Filing History:

27 out of 8,816

Commissariat a L'energie Atomique Et Aux Energies Alternatives

patents

1 out of 122

Centre National De La Recherche Scientifique

patents

1 out of 8

Institut Polytechnique De Grenoble

Université Grenoble Alpes

patents

where one patent can have more than one assignee

Years Active: 2005-2026

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Areas of Expertise:

Holographic Diffraction

Image Projection

Retroreflective Microstructures

Optical Coupling

Light-Emitting Device

Videoconferencing System

Beam Propagation

Synthetic Hologram

Optical Deflection

Fiber Optics

Deep Pit Areas

Lithography

28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12748262 - Optical coupling device with a holographic diffraction structure (2026-09-29),

2. 12681309 - Projection device with an optimized emission point distribution based on an isoline configuration (2026-07-14),

3. 12619078 - Device for projecting an image formed by a screen (2026-05-05),

4. 12585053 - Screen provided with retroreflective microstructures (2026-03-24),

5. 12332470 - Device for projecting an image into the eye of a user (2025-06-17),

6. 12181702 - Distributed light projection device (2024-12-31),

7. 11954829 - Videoconferencing system allowing a parallax effect associated with the direction of the gaze of a user to be decreased (2024-04-09),

8. 10935879 - System for forming a floating image (2021-03-02),

9. 10585280 - Method of manufacturing a screen comprising transparent portions and retroreflective portions (2020-03-10),

10. 10583585 - Method of manufacturing a screen provided with retroreflective microstructures (2020-03-10),

11. 9977240 - System for displaying an image on a windshield (2018-05-22),

12. 9939639 - Screen provided with retroreflective microstructures (2018-04-10),

13. 9835860 - Screen provided with retroreflective microstructures (2017-12-05),

14. 9784431 - Light-emitting device with diffractive structures and a synthetic hologram (2017-10-10),

15. 9632317 - Image projection device (2017-04-25),

Title: Innovations by Christophe Martinez: A Look into His Patents and Contributions

Introduction

Christophe Martinez, based in Grenoble, France, is a prolific inventor known for his contributions in the field of light projection and videoconferencing technology. With an impressive portfolio of 23 patents, his work reflects a commitment to innovation and the development of advanced technological solutions.

Latest Patents

Among his most recent innovations is the **Distributed Light Projection Device**, featuring a complex system that includes one or several waveguides linked with multiple extraction cells. Each extraction cell is equipped with first and second stacked diffraction gratings that enhance light projection capabilities. Another significant invention is a **Videoconferencing System**, which aims to diminish the parallax effect associated with user gaze direction. This innovation enhances the virtual communication experience, making interactions more natural and immersive.

Career Highlights

Throughout his career, Christophe has worked with prominent research institutions, notably the **Commissariat à l'Énergie Atomique** and **Commissariat à l'Énergie Atomique et aux Énergies Alternatives**. His tenure at these institutions has allowed him to focus on cutting-edge research, leading to the development of technologies that address modern challenges.

Collaborations

Christophe's journey in the world of innovation is complemented by his collaborations with esteemed colleagues, including Karen Gilbert and Christophe Kopp. These partnerships have led to fruitful exchanges of ideas and the successful realization of many projects that push the boundaries of technology.

Conclusion

Christophe Martinez stands out as a leading inventor in his field, with a remarkable array of patents that underscore his innovative spirit. His work continues to influence the landscape of light projection and videoconferencing, showcasing the profound impact of dedicated research and collaboration in driving technological advancements.