Tokyo, Japan

Rei Fukumoto

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Proterial, Ltd.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rei Fukumoto. Retrieved from https://idiyas.com/inventor/rei-fukumoto

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: Rei Fukumoto: Innovator in Silicon Nitride Substrates

Introduction

Rei Fukumoto is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of silicon nitride substrates. His innovative work aims to enhance the quality and performance of these substrates in various applications.

Latest Patents

Fukumoto holds a patent for a silicon nitride substrate and the method of manufacturing the same. This patent addresses the issue of color unevenness generated on the surface of a silicon nitride substrate. The invention reduces color differences, ensuring that the relation “ΔE*ab≤1.5” is established between the center and the edge of at least one surface of the substrate. This advancement is crucial for improving the aesthetic and functional properties of silicon nitride substrates.

Career Highlights

Rei Fukumoto is currently employed at Proterial, Ltd., where he continues to innovate and develop new materials. His work has garnered attention in the industry, and he is recognized for his expertise in silicon-based materials.

Collaborations

Fukumoto collaborates with talented individuals such as Youichiro Kaga and Kei Shimada, who contribute to his research and development efforts. Their teamwork enhances the innovative capabilities of their projects.

Conclusion

Rei Fukumoto's contributions to the field of silicon nitride substrates exemplify the importance of innovation in materials science. His patent and ongoing work at Proterial, Ltd. highlight his role as a key inventor in this specialized area.

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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