Takasaki, Japan

Kouichi Yahagi

This inventor holds 5 USPTO granted patents. Top assignees: Renesas Technology Corp., Hitachi Tohbu Semiconductor, Ltd., Hitachi, Ltd.. Active years: 1993-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Yahagi. Retrieved from https://idiyas.com/inventor/kouichi-yahagi

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


% Patents Active = 60.0

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 1993-2007

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5 patents (USPTO):Explore Patents

Title: Kouichi Yahagi: Innovator in Semiconductor Technology

Introduction

Kouichi Yahagi is a prominent inventor based in Takasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of five patents. His work focuses on enhancing communication systems through innovative integrated circuit designs.

Latest Patents

Yahagi's latest patents include a semiconductor integrated circuit for communication that features an analog-to-digital conversion circuit. This invention allows for a built-in A/D conversion circuit within a semiconductor chip, which reduces the required capacitance of stabilization capacitors connected to reference voltage generators. This advancement helps prevent an increase in the number of external terminals and the overall chip size. Another notable patent is an image input system that incorporates a solid-state image pickup device and a preprocessor. This system performs correlated double sampling amplification on the output of the image pickup device, effectively cancelling offset voltages to ensure accurate signal processing.

Career Highlights

Throughout his career, Kouichi Yahagi has worked with notable companies, including Renesas Technology Corporation. His expertise in semiconductor technology has positioned him as a key player in the industry, contributing to advancements that enhance communication and imaging systems.

Collaborations

Yahagi has collaborated with several professionals in his field, including Masumi Kasahara and Hiroki Nakajima. These collaborations have fostered innovation and the development of cutting-edge technologies.

Conclusion

Kouichi Yahagi's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the field, paving the way for future innovations in communication systems.

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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