Toyota, Japan

Ruriko Sakaguchi

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2021-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ruriko Sakaguchi. Retrieved from https://idiyas.com/inventor/ruriko-sakaguchi

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

USPTO Granted Patents = 4 

% Patents Active = 75.0

Average Co-Inventor Count = 2.1

ph-index = 1


Company Filing History:


Years Active: 2021-2023

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4 patents (USPTO):Explore Patents

Title: Ruriko Sakaguchi: Innovator in Vehicle Steering Technologies

Introduction

Ruriko Sakaguchi is a prominent inventor based in Toyota, Japan. She has made significant contributions to the field of vehicle steering technologies, holding a total of 4 patents. Her innovative designs focus on enhancing the performance and efficiency of steering systems in vehicles.

Latest Patents

One of her latest patents is a turning system designed to move a turning shaft, which in turn allows for the turning of both the left and right wheels of a vehicle. This system includes an electric turning mechanism with an electric motor that rotates a portion of a torsion bar, as well as a hydraulic turning mechanism that applies a moving force to the turning shaft. The electric-motor controller is programmed to manage the electric motor based on various forces acting on the vehicle.

Another notable patent is a steering apparatus that features left and right swing arm members, along with tie rods and relay rods. This apparatus utilizes rack-and-pinion type electric power steering devices, which are controlled by a unit that calculates correcting steering torques to minimize rotational vibrations. This innovation aims to improve the overall driving experience by providing more stable steering control.

Career Highlights

Ruriko Sakaguchi is currently employed at Toyota Jidosha Kabushiki Kaisha, where she continues to develop cutting-edge technologies in the automotive sector. Her work has been instrumental in advancing vehicle steering systems, making them more efficient and responsive.

Collaborations

Throughout her career, Ruriko has collaborated with notable colleagues such as Hiroyuki Toyoda and Hironobu Fukuta. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Ruriko Sakaguchi is a trailblazer in the field of vehicle steering technologies, with a focus on creating systems that enhance vehicle performance. Her contributions through her patents reflect her commitment to innovation and excellence in the automotive industry.

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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