Yokohama, Japan

Ryuta Yamaguchi

This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignees: Nissan Motor Company Limited, Automotive Energy Supply Corporation. Active years: 2007-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuta Yamaguchi. Retrieved from https://idiyas.com/inventor/ryuta-yamaguchi-tix5uv3s

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


% Patents Active = 66.7


Average Co-Inventor Count = 5.8

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2007-2018

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3 patents (USPTO):Explore Patents

Title: The Innovations of Inventor Ryuta Yamaguchi

Introduction

Ryuta Yamaguchi, based in Yokohama, Japan, is a notable inventor renowned for his contributions to the field of battery technology. With an impressive portfolio of three patents, Yamaguchi has made significant advancements, particularly in non-aqueous electrolyte secondary batteries, enhancing their efficiency and durability.

Latest Patents

Yamaguchi's latest innovations revolve around non-aqueous electrolyte secondary batteries. His first patent describes a non-aqueous electrolyte secondary battery that utilizes an aqueous binder for the negative electrode active material. This design effectively manages gas generation from the electrode, minimizing capacity loss even during prolonged use. The battery features a positive electrode active material layer, a negative electrode active material layer with an aqueous binder, a separator for maintaining the electrolytic solution, and a gas releasing mechanism that channels excess gas to an extra space within the outer casing. The optimal ratio of the extra space volume to the pore volume in the power-generating element is maintained between 0.5 to 1.0.

In another patent, Yamaguchi presents a similar non-aqueous electrolyte secondary battery that efficiently discharges gas produced when using an aqueous binder for the negative electrode. This design ensures minimal capacity reduction over extended operational periods. Key components include a positive electrode active material layer, a negative electrode active material layer, and a separator, with specific density and thickness ratios to enhance overall battery performance.

Career Highlights

Throughout his career, Ryuta Yamaguchi has been associated with prominent companies in the automotive and energy sectors. Notably, he has worked for Nissan Motor Company Limited and Automotive Energy Supply Corporation, where he has contributed to advancing battery technologies that power modern electric vehicles.

Collaborations

Yamaguchi's work has also involved collaboration with fellow innovators such as Kosuke Hagiyama and Takashi Honda. These partnerships have helped foster the development of advanced battery technologies, further solidifying his reputation in the field.

Conclusion

Ryuta Yamaguchi stands out as a pivotal inventor in battery technology, with his innovative patents significantly influencing the development of non-aqueous electrolyte secondary batteries. His advancements not only improve battery capacity but also enhance the longevity and reliability of energy storage solutions in modern applications.

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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