Kawasaki, Japan

Naoki Takayanagi

This inventor holds 3 USPTO granted patents. Top assignee: Hitachi Automotive Systems Steering, Ltd.. Active years: 2013-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoki Takayanagi. Retrieved from https://idiyas.com/inventor/naoki-takayanagi

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

Calculating rank

% Patents Active = 66.7

Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 2013-2015

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3 patents (USPTO):Explore Patents

Title: Naoki Takayanagi: Innovator in Steering Angle Sensor Technology

Introduction

Naoki Takayanagi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of automotive technology, particularly in the development of steering angle sensors. With a total of 3 patents to his name, Takayanagi's work has had a notable impact on vehicle safety and performance.

Latest Patents

One of Takayanagi's latest inventions is a steering angle sensor designed for vehicles. This sensor includes a housing, a first gear, and a rotation transmitting portion, along with a second gear that meshes with the first gear. It also features a third gear that can mesh with either the first or second gear. The sensor utilizes first and second magnetoresistance effect elements to detect the rotation angles of the second and third gears, respectively. This information is combined to determine an absolute steering angle, which indicates the amount of rotation of the steering wheel from a neutral position. Another notable patent is an electric power steering device that minimizes detection errors even when the steering shaft is inclined. This innovation incorporates an elastic O-ring in the annular clearance between the steering shaft and the inner cylindrical wall of the first gear. The O-ring absorbs the inclination of the steering shaft during steering wheel handling, thereby suppressing detection errors.

Career Highlights

Naoki Takayanagi is currently employed at Hitachi Automotive Systems Steering, Ltd. His work at this company has allowed him to focus on advancing steering technology, contributing to safer and more efficient vehicle operation.

Collaborations

Throughout his career, Takayanagi has collaborated with notable colleagues, including Tatsuyoshi Maruyama and Kiyotaka Shirakubo. These partnerships have fostered innovation and development in automotive technologies.

Conclusion

Naoki Takayanagi's contributions to steering angle sensor technology exemplify his commitment to innovation in the automotive industry. His patents reflect a deep understanding of engineering principles and a dedication to enhancing vehicle safety and performance.

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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