Tokyo, Japan

Kazuo Ryu

This inventor holds 5 USPTO granted patents. Top assignees: Nec Corporation, Nippon Electric Co., Ltd.. Active years: 1985-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Ryu. Retrieved from https://idiyas.com/inventor/kazuo-ryu

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 = 1.3

ph-index = 5

Forward Citations = 108(Granted Patents)


Company Filing History:


Years Active: 1985-1995

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5 patents (USPTO):Explore Patents

Title: Kazuo Ryu: Innovator in Analog/Digital Conversion Technology

Introduction

Kazuo Ryu is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electronics, particularly in the development of analog/digital converters. With a total of five patents to his name, Ryu's work has had a lasting impact on the industry.

Latest Patents

One of Ryu's latest patents is an innovative analog/digital (A/D) converter. This device comprises an M-bit resistor-string type digital/analog (D/A) converter, a charge re-distribution type N-bit D/A converter, a comparator, and a successive approximation register. The design allows for a reduction in the number of components and the area of the A/D converter, even as the number of bits increases. Another notable patent is a pulse generator that produces pulses with a width free from power constraints. This pulse generator includes a capacitor, a control circuit, and a current controller, showcasing Ryu's expertise in creating efficient electronic components.

Career Highlights

Throughout his career, Kazuo Ryu has worked with notable companies such as NEC Corporation and Nippon Electric Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the field of electronics.

Collaborations

Ryu has collaborated with several talented individuals, including Kyuichi Hareyama and Kenji Shiraki. These partnerships have fostered innovation and have led to the development of advanced technologies in the industry.

Conclusion

Kazuo Ryu is a distinguished inventor whose work in analog/digital conversion technology has made a significant impact on the electronics industry. His innovative patents and collaborations highlight his dedication to advancing technology.

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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