Hamamatsu, Japan

Norifumi Koizumi

This inventor holds 1 USPTO granted patent. Top assignees: Tachi-S Co., Ltd., Tf-Metal Co., Ltd.. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norifumi Koizumi. Retrieved from https://idiyas.com/inventor/norifumi-koizumi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Norifumi Koizumi: Innovator in Vehicle Seat Technology

Introduction

Norifumi Koizumi is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of vehicle technology, particularly with his innovative designs that enhance the functionality and safety of vehicle components.

Latest Patents

Koizumi holds a patent for a seat slide device for vehicles. This invention features a unique design where a foreign matter interference portion protrudes upward in a substantially arc-circular shape. This design is strategically cut and raised in the middle part of the lower rail, positioned more towards the front side than the bolt hole for mounting. The invention also includes rear-side stoppers and long hole portions that are shared with these stoppers, enhancing the overall functionality of the seat slide mechanism.

Career Highlights

Throughout his career, Koizumi has worked with reputable companies such as Tf-metal Co., Ltd. and Tachi-s Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in vehicle technology.

Collaborations

Koizumi has collaborated with Hidekazu Kubota, a fellow innovator in the field. Their partnership has likely fostered the exchange of ideas and techniques that benefit their respective projects.

Conclusion

Norifumi Koizumi's contributions to vehicle technology, particularly through his patented seat slide device, highlight his innovative spirit and dedication to improving automotive safety and functionality. His work continues to influence the industry and inspire future innovations.

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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