Weisskirchen, Austria

Harald Josef Kreuzer

This inventor holds 10 USPTO granted patents and 1 published patent application and 11 EPO patents. Top assignee: Fronius International Gmbh. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harald Josef Kreuzer. Retrieved from https://idiyas.com/inventor/harald-josef-kreuzer

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

USPTO Granted Patents = 10 

% Patents Active = 80.0

 

Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 49(Granted Patents)


Location History:

  • Linz, AT (2009)
  • Linz/Donau, AT (2010 - 2013)
  • Weisskirchen, AT (2014)
  • Wels-Thalheim, AT (2023)

Company Filing History:


Years Active: 2009-2026

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10 patents (USPTO):Explore Patents

Title: The Innovative Mind of Harald Josef Kreuzer

Introduction

Harald Josef Kreuzer, an accomplished inventor from Weisskirchen, Austria, has made significant contributions to the field of inverter technology. With a portfolio boasting eight patents, his work has focused on enhancing the efficiency and safety of inverter systems.

Latest Patents

Kreuzer’s most recent patents demonstrate his innovative approach toward inverter operation. One notable patent is the "Method for operating an inverter assembly and inverter assembly for carrying out the method." This invention aims to minimize the risk of triggering a ground fault circuit interrupter by determining the leakage capacitance to ground at the DC input of each inverter before supplying alternating voltage. By modulating power units asymmetrically, Kreutzer ensures that the amplitudes of the AC outputs differ in size, enhancing the overall functionality and safety of the inverter systems.

Another of his latest inventions is the "Method for controlling a multilevel inverter with a split DC link." This patent addresses voltage balancing at the DC link capacitor voltages by using a modulation signal derived from the actual power difference at the DC link capacitors. This improvement adds significant value to the operation of multi-level inverters.

Career Highlights

Harald Kreuzer is a key innovator at Fronius International GmbH, a leading company in renewable energy solutions. His expertise in power electronics has positioned him as an influential figure in inverter technology development.

Collaborations

Throughout his career, Kreuzer has worked alongside talented individuals, including Christian Angerer and Hannes Heigl. Their collective efforts have contributed to groundbreaking advancements within the company, enhancing their reputation as pioneers in inverter technology.

Conclusion

In summary, Harald Josef Kreuzer’s contributions to inverter technology are both impactful and noteworthy. With a strong foundation of patents and collaboration with esteemed colleagues, his innovative spirit continues to drive advancements in this critical field of renewable energy.

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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