Ottawa, Canada

Patrick Dumais

This inventor holds 21 USPTO granted patents and 9 published patent applications and 14 EPO patents, primarily in Optical Engineering. Top assignees: Huawei Technologies Co., Limited, Huawei Technologies Canada Co., Ltd., Her Majesty the Queen in Right of Canada as Represented by the Minister of Industry Through the Communications Research Centre Canada. Active years: 2008-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Patrick Dumais. Retrieved from https://idiyas.com/inventor/patrick-dumais

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

USPTO Granted Patents = 21 

% Patents Active = 76.2

 

Average Co-Inventor Count = 1.9

ph-index = 7

Forward Citations = 125(Granted Patents)


Company Filing History:


Years Active: 2008-2023

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Areas of Expertise:
LIDAR
Photonic Integrated Circuits
Optical Switches
Optical Waveguides
Polarization Control
Optical Attenuators
Waveguide Structures
Optical Scanners
Manufacturing Variance
Coherent LIDAR
Optical Performance Monitoring
Silicon Photonics
21 patents (USPTO):Explore Patents

Title: **Patrick Dumais: Innovator in Optical Technologies**

Introduction

Patrick Dumais is a notable inventor based in Ottawa, Canada. With a remarkable portfolio of 21 patents, he has made significant contributions to the fields of optical technology and lidar applications. His innovative work continues to influence the development of advanced optical systems.

Latest Patents

Among Patrick Dumais's latest patents is the **Optical Pulse Clipper for Lidar**. This invention presents a system and method tailored for time-of-flight lidar applications. The system incorporates a laser and a pulse clipper that produces a shuttering effect, effectively reducing the instantaneous output power from the pulse clipper. As a result, lasers which may exceed eye safety limits can be utilized in time-of-flight lidar applications without compromising safety.

Another notable patent is the **Optical Performance Monitor**. This system features a first stage designed to receive a multiplexed optical signal and is tunable over a certain period. The first stage periodically filters the signal to generate a finely filtered optical signal. Coupled with a second stage, which produces interfered optical signal pairs, and a third stage for demultiplexing, this monitor enhances the performance and efficiency of optical signal processing.

Career Highlights

Patrick Dumais has had a distinguished career, working with prominent companies such as **Huawei Technologies Co., Limited** and **Huawei Technologies Canada Co., Ltd.** His experience in these organizations has equipped him with the knowledge and skills necessary to develop cutting-edge optical technologies that have a wide range of applications.

Collaborations

Throughout his career, Patrick has collaborated with talented professionals like Dominic John Goodwill and Eric Bernier. Working alongside such esteemed colleagues has fostered innovation and contributed to the success of his various projects.

Conclusion

Patrick Dumais’s innovative endeavors in the field of optical technologies exemplify the impact of dedicated inventors on advancing technology. His patents, particularly in lidar applications and optical performance monitoring, continue to shape the future of optical systems, ensuring their relevance and safety in various applications.

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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