Tokyo, Japan

Yasuhiko Niitsu

This inventor holds 1 USPTO granted patent. Top assignee: Dowa Mining Co., Ltd.. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiko Niitsu. Retrieved from https://idiyas.com/inventor/yasuhiko-niitsu

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 = 8.0

ph-index = 1

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: Innovations of Yasuhiko Niitsu in Battery Technology

Introduction

Yasuhiko Niitsu is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of battery technology, particularly through his innovative use of gallium as an active material for negative electrodes in batteries. His work has the potential to revolutionize energy storage solutions.

Latest Patents

Yasuhiko Niitsu holds a patent for a gallium-based active material for the negative electrode. This novel primary or secondary battery utilizes metallic gallium, gallium alloys, or gallium oxide. The electrochemical equivalent of gallium is 23.24, which is lower than that of zinc and cadmium. This characteristic allows gallium to provide a larger capacity per unit mass compared to these traditional materials. The reaction potential of gallium indicates that a high-potential battery can be developed, which is advantageous for energy efficiency.

Career Highlights

Niitsu's career is marked by his innovative approach to battery technology. His research has focused on the advantages of gallium, including its high hydrogen overvoltage, which prevents dendrite formation during electrodeposition. This property contributes to a battery design that experiences limited self-discharge. Furthermore, gallium is non-toxic, presenting fewer environmental concerns compared to other materials.

Collaborations

Yasuhiko Niitsu has collaborated with notable colleagues such as Takashi Onoue and Kiyoshi Araki. Their combined expertise has furthered the development of advanced battery technologies.

Conclusion

Yasuhiko Niitsu's contributions to battery technology through his innovative use of gallium highlight the potential for more efficient and environmentally friendly energy storage solutions. His work continues to inspire advancements in the field.

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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