Apprieu, France

François-Xavier Darras

This inventor holds 3 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Soitec, Commissariat a L'energie Atomique Et Aux Energies Alternatives. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: François-Xavier Darras. Retrieved from https://idiyas.com/inventor/françois-xavier-darras-3c0keydl

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2025

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3 patents (USPTO):Explore Patents

Title: François-Xavier Darras: Innovator in Detachable Structures

Introduction

François-Xavier Darras is a notable inventor based in Apprieu, France. He has made significant contributions to the field of detachable structures, particularly in the context of transferring or handling layers. His innovative approach has led to the development of a unique patent that addresses key challenges in this area.

Latest Patents

Darras holds a patent for a detachable structure used for transferring or handling layers. The patent describes a detachable structure that comprises at least two interfaces, including an assembly interface and a favored-detachment interface. It features a receiver substrate and a donor substrate that includes a working layer to be transferred, arranged on an initial substrate. The favored-detachment interface is located between the working layer and the initial substrate, while the assembly interface is situated between the working layer and the receiver substrate. Notably, the assembly interface contains an assembly-interruption zone with at least one cavity present in either the receiver substrate or the working layer, located in a peripheral region of the detachable structure.

Career Highlights

Throughout his career, François-Xavier Darras has worked with prominent organizations, including the Commissariat à l'Énergie Atomique et aux Énergies Alternatives and Soitec. His experience in these institutions has allowed him to refine his expertise and contribute to groundbreaking advancements in his field.

Collaborations

Darras has collaborated with notable colleagues such as Vincent Larrey and Bruno Ghyselen. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

François-Xavier Darras is a distinguished inventor whose work in detachable structures has made a significant impact in the field. His patent reflects a deep understanding of the complexities involved in layer transfer processes. Through his career and collaborations, he continues to push the boundaries of innovation.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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