Berlin, Germany

Hans-Joachim Freygang

This inventor holds 4 USPTO granted patents. Top assignee: Siemens Aktiengesellschaft. Active years: 1976-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Joachim Freygang. Retrieved from https://idiyas.com/inventor/hans-joachim-freygang

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 = 2.8

ph-index = 3

Forward Citations = 26(Granted Patents)


Company Filing History:


Years Active: 1976-1982

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4 patents (USPTO):Explore Patents

Title: The Innovations of Hans-Joachim Freygang

Introduction

Hans-Joachim Freygang is a notable inventor based in Berlin, Germany. He has made significant contributions to the field of electrical engineering, particularly in the development of voltage transformers and measuring capacitors. With a total of 4 patents to his name, Freygang's work has had a considerable impact on the industry.

Latest Patents

Freygang's latest patents include an inductive voltage transformer and a circuit designed to enhance its functionality. This innovative transformer features a primary winding connected to a network line and a protective circuit that mitigates thermal and mechanical stress. The protective circuit includes a control unit that manages a switching device, ensuring optimal performance and safety. Another significant patent involves an arrangement comprising a high-voltage measuring capacitor, which is crucial for monitoring capacitance changes due to external influences. This arrangement includes an auxiliary capacitor that works in conjunction with the high-voltage capacitor to provide accurate readings and compensatory measures.

Career Highlights

Freygang is currently employed at Siemens Aktiengesellschaft, a leading global technology company. His role at Siemens has allowed him to collaborate on various innovative projects that push the boundaries of electrical engineering. His expertise and contributions have been recognized within the company and the broader engineering community.

Collaborations

Freygang has worked alongside esteemed colleagues such as Gabor Kovacs and Reinhold Schmitt. Their collaborative efforts have led to advancements in technology and the successful development of new products.

Conclusion

Hans-Joachim Freygang's contributions to electrical engineering through his patents and work at Siemens highlight his importance as an inventor. His innovative solutions 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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