Pasadena, CA, United States of America

Leonard Day

This inventor holds 1 USPTO granted patent. Top assignee: California Institute of Technology. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leonard Day. Retrieved from https://idiyas.com/inventor/leonard-day

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 = 5.0

ph-index = 1

Forward Citations = 56(Granted Patents)


Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: The Innovations of Leonard Day

Introduction: Leonard Day is an accomplished inventor based in Pasadena, CA. He has made significant contributions to the field of technology, particularly with his innovative work on the I2C bus protocol controller. His inventions focus on enhancing communication protocols in electronic devices.

Latest Patents: Leonard Day holds a patent for an I2C bus protocol controller with fault tolerance. This invention includes features such as fail silent operations, cyclic redundancy check (CRC), and byte count check operations. The bus controller is designed to connect devices to an Inter-Integrated Circuit (I2C) bus while ensuring reliable communication through various fault tolerance mechanisms.

Career Highlights: Leonard Day's career is marked by his dedication to advancing technology through innovative solutions. His work at the California Institute of Technology has allowed him to explore and develop cutting-edge technologies that improve device communication and reliability.

Collaborations: Throughout his career, Leonard has collaborated with notable colleagues, including Ryan Fukuhara and Robert D. Rasmussen. These partnerships have contributed to the success of his projects and the advancement of technology in their respective fields.

Conclusion: Leonard Day's contributions to the field of technology, particularly through his patent on the I2C bus protocol controller, showcase his innovative spirit and commitment to enhancing electronic communication. His work continues to influence the industry and inspire future advancements.

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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