Ellicott City, MD, United States of America

Cornelis Frederik Du Toit

This inventor holds 23 USPTO granted patents and 2 published patent applications, primarily in Microwave Antenna Design. Top assignees: Paratek Microwave Incorporated, Blackberry Corporation, United States of America as Represented by the Administrator of NASA. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cornelis Frederik Du Toit. Retrieved from https://idiyas.com/inventor/cornelis-frederik-du-toit

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

USPTO Granted Patents = 23 

% Patents Active = 60.9

Average Co-Inventor Count = 2.2

ph-index = 14

Forward Citations = 1,328(Granted Patents)


Company Filing History:


Years Active: 2003-2025

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Areas of Expertise:
Circularly Polarized Antenna
Tunable Microwave Devices
Auto-Adjusting Matching Circuit
Stacked Patch Antenna
Frequency-Agile Antenna
Waveguide Transition
Impedance Shifter
Solderless Antenna
23 patents (USPTO):Explore Patents

Title: Innovations by Cornelis Frederik Du Toit: A Pioneer in Tunable Microwave Devices

Introduction

Cornelis Frederik Du Toit, based in Ellicott City, MD, is a prominent inventor with 21 patents to his name. His work primarily focuses on advancing microwave technology, contributing innovative solutions that enhance communication and signal processing. His creativity and technical expertise have led to significant advancements in tunable microwave devices, proving his prowess in the field of innovation.

Latest Patents

Among his latest patents, Du Toit has developed groundbreaking technologies in tunable microwave devices. One notable invention is a circuit that encompasses an antenna with a tunable component. This component is engineered to receive variable signals which subsequently adjust the reactance of the antenna. The tunable component consists of a first conductor linked to the antenna, a second conductor, and a tunable material situated between the two conductors. This innovative design allows the antenna to adapt dynamically to varying signals, enhancing its performance.

Another significant patent includes an impedance matching circuit incorporating a matching network. This network features multiple variable reactance components that also adapt based on variable voltage signals. Similar to his previous design, it involves a first conductor connected to one of the ports in the matching network, a second conductor, and a tunable material to optimize the impedance as required. These inventions highlight his commitment to developing responsive and efficient microwave technologies.

Career Highlights

Du Toit has made remarkable contributions during his tenure at various prestigious companies, including Paratek Microwave Incorporated and BlackBerry Corporation. His experience in these organizations has significantly shaped his understanding of microwave technology and its applications, enabling him to push the boundaries of innovation.

Collaborations

Throughout his career, Du Toit has collaborated with notable professionals, including Deirdre A. Ryan and Izz Khayo. These collaborations have not only enriched his professional journey but have also facilitated the exchange of groundbreaking ideas, further propelling advancements in microwave device technology.

Conclusion

Cornelis Frederik Du Toit stands out as a formidable inventor in the realm of tunable microwave devices. His extensive patent portfolio, coupled with his experience and collaborations, showcases his dedication to innovation in technology. As he continues to explore new frontiers, Du Toit's work undoubtedly paves the way for future advancements in microwave applications, reinforcing the critical role of inventors in shaping technological progress.

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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