Fukaya, Japan

Tooru Kojima

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Hitachi Vehicle Energy, Ltd.. Active years: 2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tooru Kojima. Retrieved from https://idiyas.com/inventor/tooru-kojima

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

Calculating rank


Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2013

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1 patent (USPTO):Explore Patents

Title: Tooru Kojima: Innovator in Battery Technology

Introduction

Tooru Kojima is a notable inventor based in Fukaya, Japan. He has made significant contributions to the field of battery technology, particularly through his innovative designs that enhance output density.

Latest Patents

Kojima holds a patent for an assembled battery featuring a stacked metal plate connection member. This invention improves output density by connecting four unit cells in series using a connection member made from stacked metal plates. The materials used include copper and aluminum, which have a lower volume electrical resistance compared to nickel. This design effectively reduces the overall electrical resistance of the connection member, enhancing the battery's performance.

Career Highlights

Tooru Kojima is currently employed at Hitachi Vehicle Energy, Ltd., where he continues to develop advanced battery technologies. His work focuses on creating efficient energy storage solutions that meet the demands of modern applications.

Collaborations

Kojima collaborates with several talented individuals in his field, including Takenori Ishizu and Takenori 302 Suehiro Mansion Ishizu. These partnerships foster innovation and contribute to the advancement of battery technology.

Conclusion

Tooru Kojima's contributions to battery technology through his innovative patent demonstrate his commitment to improving energy efficiency. His work at Hitachi Vehicle Energy, Ltd. continues to influence the industry positively.

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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