Seongnam, South Korea

Yongsang Ryu

This inventor holds 1 USPTO granted patent. Top assignee: Hewlett-Packard Development Company, L.p.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yongsang Ryu. Retrieved from https://idiyas.com/inventor/yongsang-ryu-8fx0gird

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Yongsang Ryu: Innovator in Cartridge Technology

Introduction

Yongsang Ryu is a notable inventor based in Seongnam, South Korea. He has made significant contributions to the field of cartridge technology, particularly in the development of rollers used in printers and copiers. His innovative approach has led to the creation of a unique cartridge design that enhances the efficiency of developer supply.

Latest Patents

Yongsang Ryu holds a patent for developing a fur-brush type roller for cartridges. This invention involves a cartridge designed to contain a developer, which includes a developing roller that carries the developer and a fur-brush type supplying roller. The design creates a nip region with the developing roller, allowing for effective developer supply. The surface layer of the developing roller features a groove that interacts with the supplying roller, optimizing the overall functionality of the cartridge.

Career Highlights

Yongsang Ryu is currently employed at Hewlett-Packard Development Company, L.P., where he continues to innovate in the field of printing technology. His work has been instrumental in advancing the efficiency and reliability of printing systems. With a focus on practical solutions, Ryu has established himself as a key player in the industry.

Collaborations

Yongsang Ryu has collaborated with talented coworkers, including Ara Kim and Yunhyung Bae. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Yongsang Ryu's contributions to cartridge technology exemplify the spirit of innovation. His patent for the fur-brush type roller showcases his ability to solve complex problems in the printing industry. Through his work at Hewlett-Packard and collaborations with skilled colleagues, Ryu continues to push the boundaries of 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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