Middlesbrough, United Kingdom

Stefan T Hadjivassilev

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stefan T Hadjivassilev. Retrieved from https://idiyas.com/inventor/stefan-t-hadjivassilev

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 42(Granted Patents)


Company Filing History:

goldMedal1 out of 834,601 
Other
 patents

Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Innovations of Stefan T Hadjivassilev

Introduction

Stefan T Hadjivassilev is a notable inventor based in Middlesbrough, GB. He has made significant contributions to the field of power conversion technology. His innovative approach has led to the development of a unique power converter that enhances efficiency in electrical systems.

Latest Patents

Stefan holds 1 patent for his invention titled "Power Converter." This invention features a solid-state DC power supply that includes an inverter with two half-bridges. The design incorporates pairs of MOSFETs as switching elements, along with an output transformer and a rectifier connected to output terminals. The feedback path includes separate primary and secondary drive means that improve the switching speed of the inverter. Additionally, the design minimizes conduction and switching losses through the use of parallel MOSFET and IGBT switch pairs.

Career Highlights

Throughout his career, Stefan has focused on advancing power supply technologies. His work has been instrumental in developing systems that are more efficient and reliable. His innovative designs have the potential to impact various applications in the electrical engineering field.

Collaborations

Stefan has collaborated with notable professionals in his field, including David L Stanley and Michael J Leisten. These collaborations have contributed to the refinement and success of his inventions.

Conclusion

Stefan T Hadjivassilev is a distinguished inventor whose work in power conversion technology showcases his commitment to innovation. His contributions continue to influence the industry and pave the way for future advancements.

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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