Izumiotsu, Japan

Kouichi Yamaguchi

This inventor holds 1 USPTO granted patent. Top assignee: Dainippon Ink and Chemicals, Incorporated. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Yamaguchi. Retrieved from https://idiyas.com/inventor/kouichi-yamaguchi-85m4kys7

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 = 2.0

ph-index = 1

Forward Citations = 52(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Kouichi Yamaguchi: Innovator in Cement Dispersing Agents

Introduction

Kouichi Yamaguchi is a notable inventor based in Izumiotsu, Japan. He has made significant contributions to the field of construction materials, particularly through his innovative work on cement dispersing agents. His expertise and dedication to research have led to the development of a unique product that enhances the performance of cement.

Latest Patents

Kouichi Yamaguchi holds 1 patent for a cement dispersing agent. This invention comprises a copolymer obtained by copolymerizing specific components, including an alpha, beta-ethylenically unsaturated carboxylic acid and acrylic or methacrylic esters. The formulation aims to improve the dispersion of cement, thereby enhancing its overall effectiveness in construction applications.

Career Highlights

Yamaguchi is associated with Dainippon Ink and Chemicals, Incorporated, where he has been instrumental in advancing the company's research and development efforts. His work has not only contributed to the company's portfolio but has also positioned him as a key figure in the industry.

Collaborations

Yamaguchi has collaborated with fellow inventor Tokio Goto, sharing insights and expertise to further enhance their research outcomes. Their partnership exemplifies the collaborative spirit that drives innovation in the field.

Conclusion

Kouichi Yamaguchi's contributions to the development of cement dispersing agents highlight his role as an influential inventor in the construction materials sector. His innovative approach continues to impact 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]
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