Sunnyvale, CA, United States of America

Francis Joseph

This inventor holds 6 USPTO granted patents and 2 published patent applications. Top assignees: Stack Labs, Inc., Agilent Technologies, Inc., Signify North America Corporation. Active years: 2003-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis Joseph. Retrieved from https://idiyas.com/inventor/francis-joseph

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

Calculating rank
USPTO Granted Patents = 6 

% Patents Active = 83.3

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 2003-2019

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6 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Francis Joseph

Introduction

Francis Joseph is a notable inventor based in Sunnyvale, California, with a remarkable portfolio of six patents. His work primarily focuses on systems and methods for measuring ambient illumination, showcasing his expertise in sensor technology and environmental monitoring.

Latest Patents

Francis Joseph's latest patents include innovative systems and methods for determining ambient illumination using dual sensors controlled by a bypass switch. These systems are designed to measure light levels in environments illuminated by pulsating light sources. The first light sensor generates a signal based on the detected light, while a bypass switch selectively bypasses this sensor at specific times. A second sensor captures environmental data, and a difference circuit calculates the ambient light signal by comparing the outputs of both sensors.

Career Highlights

Throughout his career, Francis has made significant contributions to the field of technology. He has worked with reputable companies such as Stack Labs, Inc. and Verigy Pte. Ltd., where he has applied his innovative ideas to develop advanced solutions in sensor technology.

Collaborations

Some of his notable coworkers include Neil Joseph and Klaus Dieter Hilliges, who have collaborated with him on various projects, further enhancing the impact of his inventions.

Conclusion

Francis Joseph's contributions to the field of ambient light measurement demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology in practical and impactful ways.

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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