Hiratsuka, Japan

Fujio Hirano

This inventor holds 8 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Hitachi Vehicle Energy, Ltd., Matsushita Electric Industrial Co., Ltd., Hitachi Automotive Systems, Ltd.. Active years: 1995-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fujio Hirano. Retrieved from https://idiyas.com/inventor/fujio-hirano

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

Calculating rank
USPTO Granted Patents = 8 

% Patents Active = 75.0


Average Co-Inventor Count = 2.8

ph-index = 5

Forward Citations = 60(Granted Patents)


Company Filing History:


Years Active: 1995-2015

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8 patents (USPTO):Explore Patents

Title: Fujio Hirano: Innovator in Battery Technology

Introduction

Fujio Hirano is a prominent inventor based in Hiratsuka, Japan, known for his significant contributions to battery technology. With a total of eight patents to his name, Hirano has made remarkable advancements in the design and manufacturing of battery components.

Latest Patents

Hirano's latest patents include innovative technologies such as the prismatic cell and its production method. This invention involves fabricating a wound electrode body by laminating and winding positive and negative electrode sheets together with a separator for insulation. The design allows for improved welding quality by arranging forked connector leaves in a manner that prevents interference during the welding process. Another notable patent is the square battery and its manufacturing method, which features a unique winding process that enhances the connection between the electrode sheets and current collectors.

Career Highlights

Throughout his career, Hirano has worked with esteemed companies such as Hitachi Vehicle Energy, Ltd. and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in battery technology and innovation.

Collaborations

Hirano has collaborated with notable colleagues, including Kiyoyuki Sekine and Kouichi Kajiwara, further enriching his work in the field of battery development.

Conclusion

Fujio Hirano's contributions to battery technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in energy storage solutions.

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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