Sammamish, WA, United States of America

Costin Hagiu

This inventor holds 32 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 6 EPO patents, primarily in Network Performance Optimization. Top assignee: Microsoft Technology Licensing, LLC. Active years: 2003-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Costin Hagiu. Retrieved from https://idiyas.com/inventor/costin-hagiu

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

USPTO Granted Patents = 32 

% Patents Active = 81.3


 

Average Co-Inventor Count = 3.9

ph-index = 9

Forward Citations = 1,268(Granted Patents)


Location History:

  • Bellveue, WA (US) (2003)
  • Bellevue, WA (US) (2003 - 2010)
  • Sammamish, WA (US) (2006 - 2020)

Company Filing History:


Years Active: 2003-2020

Loading Chart...
Loading Chart...
Loading Chart...
Areas of Expertise:
Rate Control
Network Delay
Transport Quality
Congestion Control
Bandwidth Management
Interactive Services
Remote Desktop Protocol
Secure Connections
Streaming Data
Performance Indicators
Session Management
Processing Strategies
32 patents (USPTO):Explore Patents

Title: Innovations by Costin Hagiu: Pioneering Network Technologies

Introduction

Costin Hagiu is an accomplished inventor based in Sammamish, WA, renowned for his significant contributions to network technology. With an impressive portfolio of 32 patents, his work has revolutionized the way network communication operates and how data is managed effectively.

Latest Patents

Among his latest innovations is the patent for "Equation-based rate control using network delay for variable bitrate scenarios." This technology provides a methodology for performing equation-based rate control that utilizes observed network data rates and delays. By implementing an equation-based approach, this innovation allows for the dynamic calculation of a target network data rate, ensuring that the bitrate is set in a way that is directly proportional to the observed data rate and inversely related to network delay.

Additionally, Hagiu's patent titled "Detection of end-to-end transport quality" introduces methods for real-time detection of network conditions. This invention enhances the quality of the end-to-end connection between a client and server, utilizing various measurement techniques tailored to current and previous network conditions. A state model is employed to optimize measurement frequency and achieve stable estimates of link quality, ensuring robust network performance.

Career Highlights

Costin Hagiu has built a respected career at Microsoft Technology Licensing, LLC, where he applies his expertise in network technologies to drive innovation. His patented technologies not only contribute to Microsoft’s business objectives but also enhance user experience by getting the most out of network capabilities.

Collaborations

Throughout his career, Hagiu has collaborated with notable coworkers, including Rafael S. Lisitsa and Dale A. Sather. These partnerships have fostered an environment of innovation, enabling the development of cutting-edge technologies that address the evolving needs of network communications.

Conclusion

With a wealth of patents and a stellar reputation in networking technology, Costin Hagiu continues to lead advancements that shape the future of communication. His commitment to innovation and collaboration at Microsoft Technology Licensing showcases the impact of dedicated inventors on the technological landscape.

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]
Loading…