Sakurai, Japan

Hiroshi Hayashi

This inventor holds 1 USPTO granted patent. Top assignee: Fuji Oil Company Limited. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Hayashi. Retrieved from https://idiyas.com/inventor/hiroshi-hayashi-eswr6x28

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 = 9.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Innovator Hiroshi Hayashi: Pioneering Cement Composition

Introduction: Hiroshi Hayashi, an accomplished inventor based in Sakuri, Japan, has made significant contributions to the field of construction materials through his innovative work in cement compositions. With one patent to his name, Hayashi's research focuses on enhancing the properties of cement by incorporating hemicellulose.

Latest Patents: Hayashi's notable patent is for a novel cement composition that combines a cement base with hemicellulose. This innovative mixture is designed to produce reduced efflorescence and less bleeding, addressing common challenges faced in construction applications. Furthermore, self-leveling materials utilizing this cement composition also exhibit improved surface adhesion strength, making them highly effective in various building projects.

Career Highlights: Hiroshi Hayashi has established himself as a key figure at Fuji Oil Company Limited, where he continues to explore advancements in material science. His dedication to improving product quality and performance reflects his commitment to the industry.

Collaborations: Throughout his career, Hayashi has collaborated with other talented professionals, including Koichi Soeda and Katsuo Hosono. These partnerships have allowed for a dynamic exchange of ideas and methodologies, further fostering innovation in their collective pursuits.

Conclusion: Hiroshi Hayashi's work exemplifies the spirit of innovation in the construction materials sector. His patented cement composition not only improves functionality but also promotes sustainability in building practices. As he continues to refine his research, Hayashi stands out as a notable innovator, dedicated to advancing the quality of cement and contributing to the broader construction 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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