Kyoto, Japan

Eiji Kitagawa

This inventor holds 1 USPTO granted patent. Top assignee: Ashimori Industry Co., Ltd.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Kitagawa. Retrieved from https://idiyas.com/inventor/eiji-kitagawa-wih1gh24

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 = 4.0

ph-index = 1

Forward Citations = 46(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Eiji Kitagawa: Innovator in Pipe Lining Technology

Introduction

Eiji Kitagawa is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of pipe lining technology, particularly with his innovative approach to lining materials for pipelines. His work addresses critical issues in the industry, providing solutions that enhance the durability and efficiency of sewage pipes.

Latest Patents

Eiji Kitagawa holds a patent for a unique lining material for pipelines and a process for providing pipelines. This invention includes a flexible tubular film, a sheet covering the outer surface of the tubular film, and a film capable of being split off covering the outer surface of the sheet. The sheet is characterized by a fabric and a mat of fibers of high tenacity impregnated with a thickened liquid thermohardenable resin. This composite molding sheet is designed to overcome the drawbacks of conventional materials, making it particularly suited for lining sewage pipes.

Career Highlights

Kitagawa is associated with Ashimori Industry Co., Ltd., where he has been instrumental in developing advanced materials for pipeline applications. His innovative approach has led to the creation of a fabric-fiber-reinforced composite molding sheet that significantly improves the performance of lining materials.

Collaborations

Throughout his career, Eiji Kitagawa has collaborated with talented individuals such as Takayoshi Imoto and Futoshi Makimoto. These collaborations have fostered a creative environment that has led to groundbreaking advancements in pipeline technology.

Conclusion

Eiji Kitagawa's contributions to the field of pipe lining technology exemplify the impact of innovation on industry standards. His patented solutions not only address existing challenges but also pave the way for future advancements in pipeline maintenance and durability.

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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