Yamatokoriyama, Japan

Tomonori Sugiura

This inventor holds 22 USPTO granted patents and 1 published patent application and 20 EPO patents, primarily in Steering Technology. Top assignees: Jtekt Corporation, Toyota Jidosha Kabushiki Kaisha, Fuji Kiko Co., Ltd.. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomonori Sugiura. Retrieved from https://idiyas.com/inventor/tomonori-sugiura

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

Calculating rank
USPTO Granted Patents = 22 

% Patents Active = 68.2

 

Average Co-Inventor Count = 3.6

ph-index = 6

Forward Citations = 81(Granted Patents)


Location History:

  • Kashiwara, JP (2009)
  • Yamatokoriyama-shi, JP (2018)
  • Yamatokoriyama, JP (2015 - 2022)

Company Filing History:


Years Active: 2009-2025

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Areas of Expertise:
Gear Device
Steering Column
Steering Apparatus
Steering System
Electric Power Steering
Fastening Device
Steering Device
Automotive Technology
Control Mechanism
Precision Steering
Mechanical Engineering
Vehicle Dynamics
22 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Tomonori Sugiura

Introduction

Tomonori Sugiura, based in Yamatokoriyama, Japan, is a renowned inventor in the automotive industry, holding an impressive 20 patents. His work primarily focuses on steering devices, contributing significantly to advancements in vehicle steering technology.

Latest Patents

Among Sugiura's latest innovations is a **Steering Column Device**. This invention features a cylindrical inner tube and an outer tube designed to fit externally, allowing for axial movement. The outer tube includes two slits to facilitate diameter reduction, with a stress alleviation portion strategically positioned at the second slit to enhance durability. Another noteworthy patent is his **Steering Device**, which consists of a column shaft and jacket, coupled with an innovative fastening mechanism. This mechanism employs a first flat portion, two toothed members, and an energizing release member that minimizes backlash, ensuring smooth steering operations.

Career Highlights

Sugiura has made significant contributions during his tenure at notable companies in the automotive sector, including **JTEKT Corporation** and **Toyota Motor Corporation**. His role in these organizations has allowed him to apply his inventive spirit to create solutions that improve vehicle safety and performance.

Collaborations

Throughout his career, Sugiura has collaborated with talented individuals, including coworkers Tatsuro Kubota and Shigeru Hoshino. These partnerships have fostered an environment of innovation, driving projects that push the boundaries of automotive technologies.

Conclusion

Tomonori Sugiura’s contributions to steering technology not only showcase his inventive talents but also highlight the importance of collaboration in the field. His patents reflect a keen understanding of engineering principles and a commitment to enhancing automotive performance, making him a prominent figure in the world of automotive inventions.

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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