Hadano, Japan

Osamu Okuzawa

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Okuzawa. Retrieved from https://idiyas.com/inventor/osamu-okuzawa

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 49(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: **Osamu Okuzawa: Innovator in Logic Circuit Verification**

Introduction

Osamu Okuzawa is a distinguished inventor based in Hadano, Japan, known for his contributions to the field of logic circuits. With a focus on logic design and verification, he has developed innovative systems that enhance the equivalence verification process in complex circuitry.

Latest Patents

Okuzawa holds one significant patent titled "Comparison and verification system for logic circuits and method thereof." This patent addresses the challenges faced when attempting hierarchy design in logic circuits. It describes a system that verifies the equivalency between upper and lower level logics by converting them into Boolean expressions. By employing Shannon's formula and producing binary decision diagrams (BDDs), the system simplifies these expressions and integrates them efficiently, allowing for one-time determination without repetitive processes.

Career Highlights

Osamu Okuzawa's career is marked by his role at Hitachi, Ltd., where he utilizes his expertise in logic design to advance technological innovations. His work has had a profound impact on the way logic circuits are designed and verified, paving the way for more efficient engineering practices in the industry.

Collaborations

Throughout his career, Okuzawa has collaborated with notable colleagues, including Kazuhiko Matsumoto and Yukio Ikariya. These partnerships have fostered an environment of innovation and creativity, contributing to the development of cutting-edge technologies in the field.

Conclusion

In conclusion, Osamu Okuzawa stands out as a prominent inventor in the realm of logic circuit verification. His patent has revolutionized the process of equivalence checking in hierarchy designs, showcasing his commitment to advancing technology. As a member of Hitachi, Ltd., his contributions continue to influence the future of logic circuitry and innovation.

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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