Kawasaki, Japan

Hirotaka Kujirai

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent and 1 EPO patent. Top assignees: Gunma University, Nisshinbo Holdings Inc.. Active years: 2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Kujirai. Retrieved from https://idiyas.com/inventor/hirotaka-kujirai

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 = 6.0

ph-index = 1


Company Filing History:


Years Active: 2022

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1 patent (USPTO):Explore Patents

Title: Hirotaka Kujirai: Innovator in Hydrogen Storage Solutions

Introduction

Hirotaka Kujirai, an accomplished inventor based in Kawasaki, Japan, has made significant contributions to the field of carbon materials. His innovative work focuses on advancing hydrogen storage technologies, which are crucial for developing sustainable energy solutions.

Latest Patents

Kujirai holds a patent for a carbon material and a method relating to the same. This patented carbon material is notable for its compactness and impressive hydrogen storage capacity. The specific surface area of this carbon material is 200 m²/g or less, and it demonstrates a hydrogen storage capacity of 1.5×10 g/m or more when subjected to a hydrogen pressure of 10 MPa. This innovation could have significant implications for energy storage in various applications.

Career Highlights

Throughout his career, Kujirai has gained valuable experience working with reputable organizations. Notably, he has contributed his expertise at Nisshinbo Holdings Inc. and National University Corporation Gunma University. His roles at these institutions have enhanced his knowledge and skills in materials science and advanced research methodologies.

Collaborations

Kujirai has had the opportunity to collaborate with esteemed colleagues in his profession. Among them are Yasuo Imashiro and Rieko Kobayashi, both of whom have contributed to various projects and research initiatives. Their collective insights have likely enriched the innovation process in the carbon material domain.

Conclusion

Hirotaka Kujirai's dedication to developing advanced carbon materials reflects his commitment to innovation in hydrogen storage technologies. His patented work stands as a testament to his inventive spirit, aiming to pave the way for a more sustainable energy future. As research continues in this area, Kujirai's contributions may play a vital role in the evolution of energy storage solutions worldwide.

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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