Fontainebleau, France

Leonard C Ritchie

This inventor holds 1 USPTO granted patent. Top assignee: International Business Machines Corporation. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leonard C Ritchie. Retrieved from https://idiyas.com/inventor/leonard-c-ritchie-1skti8oh

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 = 3.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: The Innovations of Leonard C. Ritchie

Introduction: Leonard C. Ritchie is a notable inventor based in Fontainebleau, France. With a keen focus on the field of integrated circuits, he has made significant contributions through his work, particularly at the renowned International Business Machines Corporation.

Latest Patents: Ritchie holds one patent for a gate array chip. This invention involves a memory cell circuit that is D.C. testable, making it particularly useful in integrated circuits that incorporate a mix of logic and arrays. Additionally, his patent includes a memory array specifically designed for integrated circuits containing TTL logic circuits. This innovation highlights the importance of efficiency and adaptability in modern electronic designs.

Career Highlights: Throughout his career, Ritchie has been associated with International Business Machines Corporation (IBM), where he has leveraged his expertise in microelectronics and circuit design. His work has contributed to advancements in computing technology, assisting in the development of more reliable and efficient systems.

Collaborations: During his tenure at IBM, Ritchie has collaborated with notable coworkers such as Edward F. Culican and Matthew C. Graf. Together, they have worked on various projects aimed at enhancing integrated circuit functionalities and performances, pushing the boundaries of what is possible in the realm of electronics.

Conclusion: Leonard C. Ritchie's contributions to the field of integrated circuits through his patent and collaborative efforts demonstrate the impact of innovative thinking in technology. His work continues to influence the development of efficient electronic systems, establishing him as a significant figure in the world of inventions.

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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