Kitakoma-gun, Japan

Eiji Yamaguchi

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Yamaguchi. Retrieved from https://idiyas.com/inventor/eiji-yamaguchi-i6a32e11

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:

goldMedal1 out of 834,601 
Other
 patents

Years Active: 2004

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Eiji Yamaguchi: Innovator in Semiconductor Cleaning Solutions

Introduction

Eiji Yamaguchi is a notable inventor based in Kitakoma-gun, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of cleaning solutions for semiconductor-treating apparatuses. His innovative approach addresses critical challenges in the semiconductor manufacturing process.

Latest Patents

Yamaguchi holds a patent for a cleaning fluid and cleaning method specifically designed for components of semiconductor-treating apparatuses. The patent describes a cleaning solution that effectively removes byproducts derived from decomposed substances of process gases containing carbon and fluorine. The formulation of the cleaning solution includes 75 wt % N-methyl-2-pyrrolidone, 15 wt % ethylene glycol monobutyl ether, 0.5 wt % surfactant, and 9.5 wt % water. Additionally, the content of alkali metals in the cleaning solution is maintained at less than 10 ppb, ensuring high purity and effectiveness.

Career Highlights

Throughout his career, Yamaguchi has focused on enhancing the efficiency and safety of semiconductor manufacturing processes. His work has led to advancements that not only improve cleaning methods but also contribute to the overall quality of semiconductor components. With 1 patent to his name, he has established himself as a key figure in this specialized field.

Collaborations

Yamaguchi has collaborated with notable colleagues, including Kenichi Hirota and Kiyoshi Yuasa. These partnerships have fostered innovation and have been instrumental in the development of new technologies within the semiconductor industry.

Conclusion

Eiji Yamaguchi's contributions to semiconductor cleaning solutions highlight his role as an innovator in the field. His patented cleaning method demonstrates a commitment to improving manufacturing processes and ensuring high-quality semiconductor components. His work continues to influence the industry positively.

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]
Loading…