Sammamish, WA, United States of America

Cristian Marius Ilac

This inventor holds 52 USPTO granted patents, plus 1 CIPO patent and 6 EPO patents, primarily in Cryptographic Security (CPC class H04L). Top assignees: Amazon Technologies, Inc., Microsoft Technology Licensing, LLC. Active years: 2009-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cristian Marius Ilac. Retrieved from https://idiyas.com/inventor/cristian-marius-ilac

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


% Patents Active = 84.6


 

Average Co-Inventor Count = 4.3

ph-index = 11

Forward Citations = 822(Granted Patents)

Forward Citations (Not Self Cited) = 736(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:


Years Active: 2009-2024

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Areas of Expertise:
Quorum-Based Access Control
Key Derivation Techniques
Malicious Credential Detection
Multi-User Secret Decay
Automated Secret Renegotiation
User-Friendly Authentication
Cryptographic Key Management
Adaptive Timeouts
Source Identification
Federated Identity Broker
Single-Use Authentication
Security Credential Protocols
52 patents (USPTO):Explore Patents

Title: Innovations and Achievements of Cristian Marius Ilac

Introduction

Cristian Marius Ilac, a prolific inventor residing in Sammamish, WA, has made significant contributions to the field of technology with an impressive portfolio of 52 patents. His inventions primarily focus on advanced access control systems and secure authentication processes, showcasing his expertise and innovative spirit in the technology sector.

Latest Patents

Among Cristian's notable patents are the following:

- **Quorum-based access control management**: This invention involves implementing quorum controls to determine whether to grant or deny access control operations for privileged tasks. The system requests approval from members when an access control operation is initiated. If the policy criteria for quorum are met, permission is granted to execute the access operation.

- **Parameter based key derivation**: This patent describes a method for submitting a delegation request to a session-based authentication service, allowing an entity to gain access privileges to a computing resource. The process generates a session key based on a restriction and a shared secret credential, ensuring secure access without revealing sensitive information.

Career Highlights

Cristian has held key positions at renowned companies such as Amazon Technologies, Inc. and Microsoft Technology Licensing, LLC. His work in these organizations allowed him to develop his innovative ideas further and apply them to practical solutions within the tech industry.

Collaborations

Throughout his career, Cristian has collaborated with esteemed colleagues, including Gregory Branchek Roth and Eric Jason Brandwine. These partnerships have contributed to the development and refinement of his inventive concepts, leading to significant contributions in the field of technology.

Conclusion

Cristian Marius Ilac stands out as a leading inventor in the technology sector, with a remarkable collection of patents that reflect his dedication to innovation and problem-solving. His work continues to influence advancements in access control systems and security protocols, setting the stage for future developments in the industry.

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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