Tokyo, Japan

Hirohiko Yamamoto

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Electric Co., Ltd.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohiko Yamamoto. Retrieved from https://idiyas.com/inventor/hirohiko-yamamoto-gvujyll3

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 = 1.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Hirohiko Yamamoto: Innovator in Integrated Circuit Technology

Introduction

Hirohiko Yamamoto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of integrated circuit technology. His innovative work has led to the development of advanced electronic devices that enhance performance and efficiency.

Latest Patents

Yamamoto holds a patent for an integrated circuit device. This device includes insulated-gate field effect transistors that utilize a semiconductor gate electrode as a logic element. The design features an input interconnection layer that serves as the semiconductor gate electrode, orthogonally intersecting with a conductive layer. The logic circuits are interconnected to form a random gate logic circuit capable of high-speed operation and high-density formation.

Career Highlights

Hirohiko Yamamoto is associated with Nippon Electric Co., Ltd., a leading company in the electronics industry. His work at the company has focused on advancing integrated circuit technologies, contributing to the development of faster and more efficient electronic devices.

Conclusion

Hirohiko Yamamoto's contributions to integrated circuit technology exemplify innovation in the electronics field. His patent reflects a commitment to enhancing the performance of electronic devices, making a lasting impact on the industry.

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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