Otsu, Japan

Hideo Yamauchi

This inventor holds 26 USPTO granted patents and 22 published patent applications, primarily in Sodium Ion Batteries. Top assignees: Nippon Electric Glass Co., Ltd., Nagaoka University of Technology, National Institute of Advanced Industrial Science and Technology. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideo Yamauchi. Retrieved from https://idiyas.com/inventor/hideo-yamauchi

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

USPTO Granted Patents = 26 

% Patents Active = 96.2

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Shiga, JP (2018 - 2020)
  • Otsu, JP (2013 - 2024)

Company Filing History:


Years Active: 2013-2026

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Areas of Expertise:
Solid Electrolyte Sheet
Sodium Ion Battery
Positive Electrode Material
All-Solid-State Battery
Negative Electrode Material
Bipolar Battery
Battery Manufacturing Method
Alkali Ion Batteries
Electrical Storage Devices
Composite Electrode Material
Power Storage Device
26 patents (USPTO):Explore Patents

Title: Innovating Energy Storage: The Contributions of Hideo Yamauchi

Introduction: Hideo Yamauchi is a distinguished inventor based in Otsu, Japan, known for his significant contributions to the field of energy storage technology. With an impressive portfolio of 21 patents, his work primarily focuses on developing advanced sodium-ion secondary batteries. This article explores his latest patents, career milestones, and collaborative efforts in the industry.

Latest Patents: Among Hideo Yamauchi's latest innovations are two notable patents aimed at improving the efficiency and reliability of sodium-ion batteries. The first patent describes an all-solid-state sodium-ion secondary battery designed to enhance cycle characteristics while preventing electrode layers from peeling off the solid electrolyte layer. This cutting-edge battery includes a solid electrolyte layer made of sodium ion-conductive oxide with carefully engineered roughness on its surfaces.

The second patent presents a novel Ni-based positive electrode active material specifically designed for sodium-ion secondary batteries. This active material showcases an exceptional discharge capacity and is composed of crystals defined by a unique chemical formula, ensuring enhanced performance across varying operational conditions.

Career Highlights: Hideo Yamauchi has made significant strides in his career, holding positions at renowned organizations such as Nippon Electric Glass Co., Ltd., and the National University Corporation Nagaoka University of Technology. His expertise in battery technology has positioned him as a key player in advancing sustainable energy solutions.

Collaborations: Throughout his career, Yamauchi has collaborated with several distinguished professionals, including Junichi Ikejiri and Fumio Sato. These partnerships have fostered an environment of innovation, enabling the development of groundbreaking energy solutions that address the demands of modern society.

Conclusion: Hideo Yamauchi's contributions to the field of sodium-ion battery technology exemplify the power of innovation in addressing energy storage challenges. His patents reflect a commitment to enhancing battery efficiency and reliability, paving the way for future advancements in sustainable energy solutions. As the demand for alternative energy sources continues to grow, the work of inventors like Yamauchi will be instrumental in shaping a more sustainable future.

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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