Toyota, Japan

Tomotaka Hagino

This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2016-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomotaka Hagino. Retrieved from https://idiyas.com/inventor/tomotaka-hagino

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 = 3.3

ph-index = 1


Company Filing History:


Years Active: 2016-2023

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6 patents (USPTO):Explore Patents

Title: Tomotaka Hagino: Battery Inventions and Patent Work.

Introduction

Tomotaka Hagino is an inventor based in Toyota, Japan. He is associated with Toyota Jidosha Kabushiki Kaisha and is credited with 6 patents.

Latest Patents

Hagino’s latest listed patent is titled “Battery and Method of Manufacturing Battery.” It describes a process for solid-state welding an external terminal to a seat portion of an internal terminal. During welding, one of the terminals vibrates while the external terminal is pressed against the seat portion, and an insulator is detached from the external terminal in at least the area surrounding the seat portion.

The supplied patent information lists this same title and description twice, so it is presented here as one invention.

Career Highlights

Hagino’s patent work includes battery manufacturing technology, with a focus on joining battery terminals through solid-state welding. His association with Toyota Jidosha Kabushiki Kaisha connects his inventive work to the company’s engineering activities.

Collaborations

Hagino’s listed coworkers include Yoichi Naruse and Tomohiro Ono.

Conclusion

Tomotaka Hagino’s recorded inventions include a battery-terminal welding method intended to support battery manufacturing, reflecting his patent work with Toyota Jidosha Kabushiki Kaisha.

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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