Shijonawate, Japan

Kenji Hayashi

This inventor holds 1 USPTO granted patent. Top assignees: Hayashi Kasei Co., Ltd., Takenaka Corporation. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Hayashi. Retrieved from https://idiyas.com/inventor/kenji-hayashi-cxomn9io

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 = 8.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Kenji Hayashi: Innovating Cement Composition in Japan

Introduction: Kenji Hayashi is an esteemed inventor based in Shijonawate, Japan, known for his contributions to the field of construction materials. With a focus on enhancing the properties of cement compositions, Hayashi’s work demonstrates a commitment to innovation that impacts the construction industry.

Latest Patents: Kenji Hayashi holds a noteworthy patent titled "Admixture and cement composition using same." This invention relates to an admixture for cement compositions, which is created by calcining substances such as natural kaolin, halloysite, and synthetic kaolin at temperatures between 630 to 870 degrees Celsius. The innovative process results in the formation of amorphous portions of alumina/silica, optimizing the mixing ratio to achieve excellent fluidity and high strength in mortar and concrete structures.

Career Highlights: Throughout his career, Hayashi has been associated with prominent companies, including Takenaka Corporation and Hayashi Kasei Co., Ltd. His work at these organizations has allowed him to apply his innovative ideas to real-world applications, significantly advancing the quality and performance of construction materials.

Collaborations: Kenji Hayashi has collaborated with notable individuals in his field, including Masahiro Morozumi and Yasuhiko Yoshioka. These partnerships have fostered a creative environment that promotes the development of novel solutions and further enhances the impact of his work in cement composition.

Conclusion: Kenji Hayashi's contributions to the field of cement composition through his patented technologies exemplify the spirit of innovation. His dedication to improving the construction materials industry positions him as a prominent figure among inventors in Japan. Hayashi's work not only showcases his expertise but also reflects a broader commitment to advancing construction practices for enhanced structural integrity and performance.

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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