Kishiwada, Japan

Naofumi Kawamura

This inventor holds 8 USPTO granted patents and 8 published patent applications and 7 EPO patents. Top assignees: Jtekt Corporation, Jtekt Column Systems Corporation. Active years: 2017-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naofumi Kawamura. Retrieved from https://idiyas.com/inventor/naofumi-kawamura

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

USPTO Granted Patents = 8 

% Patents Active = 62.5

 

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2017-2025

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8 patents (USPTO):Explore Patents

Title: Naofumi Kawamura: Innovator in Gear and Steering Technologies

Introduction

Naofumi Kawamura is a prominent inventor based in Kishiwada, Japan. He has made significant contributions to the field of automotive technology, particularly in gear and steering devices. With a total of eight patents to his name, Kawamura's innovations have had a notable impact on vehicle design and functionality.

Latest Patents

Kawamura's latest patents include a gear and steering device that showcases his inventive prowess. The gear features an annular sleeve and a tooth portion created through injection molding, which covers part of the sleeve. This sleeve is a stacked body composed of multiple annular steel plates arranged in an axial direction. Additionally, his steering column device includes a lower tube attached to a vehicle body, allowing for pivotable movement in an up-down direction. This device also features a column shaft for the steering wheel, an upper tube that rotatably supports the column shaft, and a motor that generates torque. The innovative link mechanism couples the lower and upper tubes, enabling synchronized movement when motor torque is transmitted.

Career Highlights

Throughout his career, Naofumi Kawamura has worked with notable companies such as Jtekt Corporation and Jtekt Column Systems Corporation. His experience in these organizations has allowed him to refine his skills and contribute to the development of advanced automotive technologies.

Collaborations

Kawamura has collaborated with talented individuals in the industry, including Hirofumi Ueda and Hiroaki Suzuki. These partnerships have fostered a creative environment that has led to the successful development of his patented technologies.

Conclusion

Naofumi Kawamura is a distinguished inventor whose work in gear and steering technologies has significantly advanced automotive engineering. His innovative patents and collaborations reflect his commitment to enhancing vehicle performance and safety.

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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