Encinitas, CA, United States of America

William A Houle

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Hewlett-Packard Company, Hewlett-Packard Development Company, L.p.. Active years: 2000-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William A Houle. Retrieved from https://idiyas.com/inventor/william-a-houle-s2uar07y

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


% Patents Active = 100.0


Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 127(Granted Patents)


Company Filing History:


Years Active: 2000-2010

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4 patents (USPTO):Explore Patents

Title: William A. Houle: Innovator in Brightening Systems and Invisible Ink Technologies

Introduction

William A. Houle, an accomplished inventor based in Encinitas, California, holds a total of four patents. His innovative contributions primarily focus on advanced materials and printing technologies. Known for his expertise in creating solutions that enhance visual clarity and security, Houle has made significant strides in his field.

Latest Patents

Among his latest patents is the "Amphoteric Stilbene Composition," which introduces a brightening system comprised of a substrate layered with an amphoteric stilbene composition. This innovation incorporates specific compounds, including 4,4'-diamino-2,2'-stilbene disulfonic acid and various derivatives, to achieve enhanced brightness alongside a fixing agent.

Another noteworthy patent is for "Light Sensitive Invisible Ink Compositions and Methods for Using the Same." This patent outlines a high-reliability printing system capable of generating high-definition, lightfast images. The inks created from this technology are formulated to be invisible to the naked eye but fluoresce under specific lighting conditions, making them well-suited for secure printing applications.

Career Highlights

William has had an illustrious career, significantly impacting the industry through his work with companies like Hewlett-Packard Company and Hewlett-Packard Development Company, L.P. His background in established firms has provided him the platform to innovate and refine cutting-edge technologies.

Collaborations

Throughout his career, William has collaborated with talented peers such as Kai-Kong Iu and Leonard Slevin. These partnerships have undoubtedly enriched his work, enabling him to push the boundaries of what is possible in the fields of brightening systems and invisible ink technologies.

Conclusion

William A. Houle exemplifies the qualities of a forward-thinking inventor, continuously working to develop innovative solutions that address complex challenges. His patents in brightening systems and invisible inks reflect both his creativity and technical expertise, reinforcing his status as a notable contributor to the field of technology.

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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