Marc Joye

This inventor holds 18 USPTO granted patents and 20 published patent applications and 6 EPO patents. Top assignees: Gemplus, Zama Sas, Gemalto Sa. Active years: 2005-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Marc Joye. Retrieved from https://idiyas.com/inventor/marc-joye-gspwy26t

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

USPTO Granted Patents = 18 (Patent Applications = 20)

% Patents Active = 38.9

EPO Patents = 6 (Patent Applications = 20)

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 25(Granted Patents)

Company Filing History:

Years Active: 2005-2026

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12580727 - Cryptographic method, systems and services for evaluating real-valued functions on encrypted data (2026-03-17),

2. 12574206 - Blind rotation for use in fully homomorphic encryption (2026-03-10),

3. 12517975 - Encrypted computation comprising a blind rotation (2026-01-06),

4. 12418397 - Cryptographic method, systems and services for evaluating univariate or multivariate real-valued functions on encrypted data (2025-09-16),

5. 12143467 - Encrypted scalar multiplication (2024-11-12),

6. 11991266 - Fully homomorphic cryptography with improved data item representation (2024-05-21),

7. 8233614 - Integer division method secure against covert channel attacks (2012-07-31),

8. 8065735 - Method of securing a calculation of an exponentiation or a multiplication by a scalar in an electronic device (2011-11-22),

9. 7860242 - Method of securely implementing a cryptography algorithm of the RSA type, and a corresponding component (2010-12-28),

10. 7742595 - Cryptographic method protected against covert channel type attacks (2010-06-22),

11. 7639796 - Method for secure integer division or modular reduction against hidden channel attacks (2009-12-29),

12. 7433905 - Device and method for processing digital values in particular in non-adjacent form (2008-10-07),

13. 7424114 - Method for enhancing security of public key encryption schemas (2008-09-09),

14. 7386123 - Method of implementing in an electronic component a cryptographic algorithm for finding the public exponent (2008-06-10),

15. 7359508 - Method of securely implementing a cryptography algorithm of the RSA type, and a corresponding component (2008-04-15),

Title: **Marc Joye: Innovator in Cryptography from Saint Zacharie, France**

Introduction

Marc Joye is a distinguished inventor based in Saint Zacharie, France. With an impressive portfolio of 14 patents, he has made significant contributions in the field of cryptography. His work primarily focuses on enhancing security through advanced encryption techniques.

Latest Patents

One of Marc Joye's notable patents is for "Encrypted Scalar Multiplication." This method involves a computer-implemented approach to determine a set of coefficients for homomorphically multiplying an encrypted value by a scalar. The process is unique as it represents the encrypted value through multiple ciphertexts, facilitating a linear combination based on the coefficients derived from the radix decomposition of the scalar.

Another significant patent by Joye is related to "Fully Homomorphic Cryptography with Improved Data Item Representation." This innovation includes techniques where encrypted data items are clipped to reduce their bit size and increase the associated noise level. This ensures an operation can tolerate the noise above the level associated with the clipped data.

Career Highlights

Marc Joye has held prominent positions at reputable companies, notably at Gemplus and Gemalto SA. His roles at these organizations have allowed him to spearhead innovations in cryptographic methodologies, contributing to significant advancements in secure communication technologies.

Collaborations

Throughout his career, Marc has collaborated with esteemed colleagues such as Pascal Paillier and Karine Villegas. These professional relationships have fostered a collaborative environment leading to meaningful advancements in the cryptographic landscape.

Conclusion

Marc Joye stands out as an influential inventor in the realm of cryptography, with his work paving the way for enhanced security in digital communications. His impressive array of patents and collaborative efforts highlights his dedication to innovation and excellence in this vital field.

Profile summary based on public USPTO records.