Toyokawa, Japan

Ryuji Shibata

This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignee: Jtekt Corporation. Active years: 2016-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuji Shibata. Retrieved from https://idiyas.com/inventor/ryuji-shibata-jqvxly6m

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 = 3.7

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2016-2020

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2 patents (USPTO):Explore Patents

Title: Ryuji Shibata: Innovator in Steering Technology

Introduction

Ryuji Shibata is a notable inventor based in Toyokawa, Japan. He has made significant contributions to the field of steering technology, holding a total of 2 patents. His work focuses on enhancing the functionality and efficiency of steering apparatuses.

Latest Patents

Shibata's latest patents include a steering apparatus and a steering device. The steering apparatus features a rack housing and a reduction drive housing that accommodate a ball screw mechanism and a reduction drive. It incorporates a unique design with gaps provided between the nut and the rack housing, along with a groove that serves as a communication path. This innovative design avoids recirculation paths within the nut, enhancing its performance.

The steering device, on the other hand, includes a ball screw mechanism that applies force in the axial direction to a rack shaft of a vehicle. It also features a bearing that rotatably supports a nut with respect to a housing. A coned disc spring is utilized to elastically support the nut, ensuring optimal functionality in the rack shaft axial direction.

Career Highlights

Ryuji Shibata is currently associated with Jtekt Corporation, where he continues to develop innovative solutions in steering technology. His work has been instrumental in advancing the capabilities of steering systems in vehicles.

Collaborations

Shibata has collaborated with notable colleagues such as Masashi Yamaguchi and Masayoshi Asakura. Their combined expertise has contributed to the successful development of advanced steering technologies.

Conclusion

Ryuji Shibata's contributions to steering technology through his patents and collaborations highlight his role as an influential inventor in the automotive industry. His innovative designs continue to shape the future of vehicle steering 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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