Kanagawa, Japan

Kiyoshi Makigawa

This inventor holds 8 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Sony Corporation, Sony Semiconductor Solutions Corporation. Active years: 2008-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Makigawa. Retrieved from https://idiyas.com/inventor/kiyoshi-makigawa

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

USPTO Granted Patents = 8 

% Patents Active = 87.5

 

Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 2008-2025

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8 patents (USPTO):Explore Patents

Title: Kiyoshi Makigawa: Innovator in Event Detection and Imaging Technologies

Introduction

Kiyoshi Makigawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the fields of event detection and imaging technologies, holding a total of eight patents. His innovative work has been recognized in various industries, particularly in electronics and imaging.

Latest Patents

Among his latest patents is an event detection device that includes a photodiode generating a photoelectric conversion current. This device features a conversion transistor that converts the current into a voltage, which is then amplified by an amplification transistor. The design also incorporates a potential supply unit and a potential controller that adjusts the predetermined potential based on temperature effects on the threshold voltage. Another notable patent is for a solid-state image sensor and imaging device, which reduces line capacitance in vertical signal lines. This sensor includes a logic circuit, a pixel circuit, and a negative capacitance circuit, enhancing the processing of analog signals generated by photoelectric conversion.

Career Highlights

Kiyoshi Makigawa has had a distinguished career, working with leading companies such as Sony Corporation and Sony Semiconductor Solutions Corporation. His experience in these organizations has allowed him to develop and refine his innovative technologies, contributing to advancements in the electronics sector.

Collaborations

Throughout his career, Kiyoshi has collaborated with talented individuals, including Moonjae Jeong and Yusuke Ikeda. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Kiyoshi Makigawa's contributions to event detection and imaging technologies have established him as a key figure in innovation. His patents reflect a commitment to advancing technology and improving electronic devices. His work continues 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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