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For the Inventor, By the Inventor

Osaka, Japan

Shoji Yamaguchi

This inventor holds 4 USPTO granted patents. Top assignees: Kabushiki Kaisha Yamaguchi Kaisha, Other. Active years: 1997-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoji Yamaguchi. Retrieved from https://idiyas.com/inventor/shoji-yamaguchi-gmttuph0

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

Calculating rank
USPTO Granted Patents = 4

% Patents Active = 75.0

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 38(Granted Patents)


Location History:

  • Osaka, JP (1997 - 2003)
  • Tsuchiura, JP (2002 - 2004)

Company Filing History:

goldMedal1 out of 1 
 
Kabushiki Kaisha Yamaguchi Kaisha
 patent
silverMedal3 out of 834,659 
Other
 patents

Years Active: 1997-2004

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4 patents (USPTO):Explore Patents
1. 6723471 - Nonaqueous electrolyte secondary cell with a plural-layer carbonaceous negative electrode (2004-04-20),
2. 6569522 - Light storage and reflecting device (2003-05-27),
3. 6403259 - Nonaqueous electrolyte secondary battery comprising carbon particles with a plural-layer structure (2002-06-11),
4. 5682270 - Light reflecting and accumulating member (1997-10-28),

Title: Shoji Yamaguchi: Innovator in Nonaqueous Electrolyte Technology

Introduction

Shoji Yamaguchi is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of nonaqueous electrolyte secondary cells, holding a total of 4 patents. His work focuses on enhancing the performance and efficiency of energy storage devices.

Latest Patents

Yamaguchi's latest patents include a nonaqueous electrolyte secondary cell featuring a plural-layer carbonaceous negative electrode. This innovation aims to improve the storage properties at high temperatures and discharge characteristics at low temperatures. The negative electrode material is crafted by covering a nucleus made of graphite powder with carbonaceous matter, which is specifically designed to optimize various physical properties. Another significant patent is for a light storage and reflecting device, which consists of multiple layers including a reflecting layer, base layer, light storage layer, and coating layer. This device utilizes a thermocompression bonding process to enhance its functionality.

Career Highlights

Throughout his career, Yamaguchi has worked with various companies, including Kabushiki Kaisha Yamaguchi Kaisha. His expertise in the field has led to advancements in energy storage technologies, making him a respected figure in the industry.

Collaborations

Yamaguchi has collaborated with notable individuals such as Toyoji Sugimoto and Hizuru Koshina. These partnerships have contributed to the development of innovative technologies and solutions in the field.

Conclusion

Shoji Yamaguchi's contributions to the field of nonaqueous electrolyte technology highlight his role as a significant inventor. His patents reflect a commitment to advancing energy storage solutions, making a lasting impact on the industry.

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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