Aichi, Japan

Tsugiharu Matsunaga

This inventor holds 2 USPTO granted patents. Top assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho. Active years: 1990-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsugiharu Matsunaga. Retrieved from https://idiyas.com/inventor/tsugiharu-matsunaga

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 25(Granted Patents)


Location History:

  • Aichi, JP (1990)
  • Nagoya, JP (1992)

Company Filing History:


Years Active: 1990-1992

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2 patents (USPTO):Explore Patents

Title: Tsugiharu Matsunaga: Innovator in Vehicle Steering Technology

Introduction

Tsugiharu Matsunaga is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of vehicle steering technology, holding 2 patents that enhance the functionality and safety of steering systems in vehicles.

Latest Patents

Matsunaga's latest patents include a "Vehicle Rudder Angle Control Apparatus" and a "Steering Gear for a Vehicle." The Vehicle Rudder Angle Control Apparatus is designed to control the steerable wheels of a power-assisted steering unit. It features an angle detector connected to the power assist unit and a power controller. An abnormality detector is integrated to monitor the relative displacement between the steering shaft and the output shaft of the angle detector. This system produces a signal sent to the power controller to prevent abnormal states during operation. The Steering Gear for a Vehicle incorporates a steering correction function that allows the vehicle to correct its steering in response to disturbances. It includes a connecting portion for detecting abnormal states and a releasable portion for the drive unit operation, ensuring safe manual steering when necessary.

Career Highlights

Matsunaga is currently employed at Kabushiki Kaisha Toyota Chuo Kenkyusho, where he continues to innovate in vehicle technology. His work focuses on improving steering systems, which are critical for vehicle safety and performance.

Collaborations

Matsunaga collaborates with esteemed colleagues such as Yasutaka Hayashi and Katsuhiko Hattori. Their combined expertise contributes to the advancement of automotive technologies.

Conclusion

Tsugiharu Matsunaga's contributions to vehicle steering technology through his patents demonstrate his commitment to innovation and safety in the automotive industry. His work continues to influence the development of advanced 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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