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For the Inventor, By the Inventor

Ottawa, Canada

Hartley Fred Horwitz

This inventor holds 24 USPTO granted patents and 1 published patent application, primarily in Power Converter Technology. Top assignees: Power Integrations, Inc., Potentia Semiconductor Corporation. Active years: 2005-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hartley Fred Horwitz. Retrieved from https://idiyas.com/inventor/hartley-fred-horwitz

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

USPTO Granted Patents = 24 

% Patents Active = 66.7

Average Co-Inventor Count = 2.9

ph-index = 6

Forward Citations = 127(Granted Patents)


Company Filing History:

goldMedal23 out of 1,029 
 
Power Integrations, Inc.
 patents
silverMedal1 out of 18 
 
Potentia Semiconductor Corporation
 patents

Years Active: 2005-2026

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Areas of Expertise:
Resonant Converter
Switch Control
Power Supply
Hybrid Switch
Signal Interface
Mode Transitions
Over-Temperature Protection
Programmable Frequency
Cascaded PFC
Semiconductor Components
Sensing Signals
Multiple Controllers
24 patents (USPTO):Explore Patents
1. 12537454 - Control of a resonant converter using switch paths during power-up (2026-01-27),
2. 11955899 - Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter (2024-04-09),
3. 11901831 - Apparatus and methods for controlling a switch drive signal following mode transitions in a switching power converter (2024-02-13),
4. 11522464 - Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter (2022-12-06),
5. 11196347 - Apparatus and methods for controlling a switch drive signal following mode transitions in a switching power converter (2021-12-07),
6. 11025249 - Clamp for a hybrid switch (2021-06-01),
7. 10931203 - Synchronizing multiple controllers in a power converter (2021-02-23),
8. 10931202 - High side signal interface in a power converter (2021-02-23),
9. 10797606 - Controller with limit control to change switching period or switching frequency of power converter and methods thereof (2020-10-06),
10. 10797583 - Secondary winding sense for hard switch detection (2020-10-06),
11. 10763852 - Clamp for a hybrid switch (2020-09-01),
12. 10763756 - Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter (2020-09-01),
13. 10498244 - High side signal interface in a power converter (2019-12-03),
14. 10461740 - Clamp for a hybrid switch (2019-10-29),
15. 10193453 - High side signal interface in a power converter (2019-01-29),

Title: **Hartley Fred Horwitz: Innovator in Power Conversion Technologies**

Introduction

Hartley Fred Horwitz, based in Ottawa, Canada, is a notable inventor recognized for his contributions to power conversion technologies. With 23 patents to his name, Horwitz's innovations have significantly impacted the efficiency and control of resonant converters used in various electronic applications.

Latest Patents

Horwitz's recent patents include groundbreaking technologies aimed at enhancing resonant converter operations. One of his notable inventions is titled "Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter." This invention describes a buffer circuit that is coupled in parallel with a resonant component, providing a comprehensive buffered primary port signal. This signal incorporates critical information about input voltage and power, facilitating improved switching and power conversion in an inductor-inductor capacitor (LLC) converter.

Another recent patent, "Apparatus and methods for controlling a switch drive signal following mode transitions in a switching power converter," introduces a controller designed for power converters operating across multiple modes. This controller utilizes a frequency monitor module to measure the switch drive signal characteristics, storing them in memory to generate a clock signal that improves the switch drive performance during mode transitions.

Career Highlights

Throughout his career, Horwitz has made significant strides while working with distinguished companies like Power Integrations, Inc. and Potentia Semiconductor Corporation. His expertise in power electronics has allowed him to develop innovative solutions that address real-world challenges in power conversion.

Collaborations

Horwitz's journey is marked by collaborations with talented individuals, including notable coworkers Roger Colbeck and Robert J. Mayell. Their combined efforts have fostered an environment of creativity and innovation, further enhancing the quality and impact of their contributions to the field.

Conclusion

In summary, Hartley Fred Horwitz stands out as a prolific inventor whose work has greatly advanced power conversion technologies. With a solid foundation of patents and collaborations, he continues to influence the future of electronic power systems, showcasing the vital role of innovation in this dynamic industry.

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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