Kanagawa, Japan

Katsuyuki Yonezawa

This inventor holds 4 USPTO granted patents. Top assignees: Sony Corporation, Sony Semiconductor Solutions Corporation. Active years: 1998-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuyuki Yonezawa. Retrieved from https://idiyas.com/inventor/katsuyuki-yonezawa

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 = 1.8

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1998-2025

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4 patents (USPTO):Explore Patents

Title: Katsuyuki Yonezawa: Innovator in Solid-State Imaging Technology

Introduction

Katsuyuki Yonezawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of solid-state imaging technology, holding a total of 4 patents. His work focuses on improving image quality and correcting optical displacements in light receiving devices.

Latest Patents

Yonezawa's latest patents include a solid-state imaging element and imaging apparatus. This technology enhances image quality by amplifying voltage for each column in the imaging element. The design features an input transistor that outputs a voltage corresponding to the input voltage between its source and gate. Additionally, a feedback circuit is integrated to optimize performance by feeding back a portion of the current to the input transistor's gate. Another notable patent involves a light receiving device that corrects optical displacements that may occur during manufacturing and assembly. This device includes a pixel array and a control section that distinguishes between active and non-active pixels, ensuring accurate signal output.

Career Highlights

Throughout his career, Yonezawa has worked with leading companies in the technology sector, including Sony Corporation and Sony Semiconductor Solutions Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in imaging technology.

Collaborations

Yonezawa has collaborated with notable colleagues such as Norio Shoji and Kouta Hiyama. Their combined expertise has contributed to advancements in the field of solid-state imaging.

Conclusion

Katsuyuki Yonezawa is a distinguished inventor whose work in solid-state imaging technology has led to significant advancements in image quality and device functionality. His contributions continue to influence the industry and inspire future innovations.

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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