Tokyo, Japan

Toshifumi Nihei

This inventor holds 1 USPTO granted patent and 4 published patent applications. Top assignee: Asahi Glass Company, Limited. Active years: 2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshifumi Nihei. Retrieved from https://idiyas.com/inventor/toshifumi-nihei

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 15.0

ph-index = 1

Forward Citations = 37(Granted Patents)


Company Filing History:


Years Active: 2017

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Toshifumi Nihei

Introduction

Toshifumi Nihei is a distinguished inventor based in Tokyo, Japan. He is recognized for his innovative work in the field of glass technology, specifically focusing on enhancing the stability and quality of glass sheets. His unique perspective and expertise have led to notable advancements in the industry.

Latest Patents

Toshifumi Nihei holds a patent for a groundbreaking invention titled "Glass sheet capable of being inhibited from warping through chemical strengthening." This innovative glass sheet design features one surface with a higher fluorine concentration than the opposing surface throughout its thickness. The patent specifies that the fluorine concentration differential should satisfy the condition: 0.07 ≤ ΔF/ΔHO, where ΔF represents the fluorine concentration difference and ΔHO indicates the hydroxide concentration difference. This invention aims to significantly reduce warping, thereby improving the performance and durability of glass applications.

Career Highlights

Nihei's career has prominently included his role at Asahi Glass Company, Limited, where he has contributed to various projects focused on enhancing glass properties and applications. His dedication to research and development has established him as a valuable asset to his organization and the glass manufacturing sector.

Collaborations

Throughout his career, Toshifumi Nihei has collaborated with talented peers, including Satoshi Miyasaka and Hideko Nakada. These partnerships have enabled the exchange of innovative ideas and expertise, further advancing the quality and effectiveness of their contributions to glass technology.

Conclusion

Toshifumi Nihei's inventive spirit and commitment to enhancing glass materials have made him a noteworthy figure in the industry. With his patent for a chemically strengthened glass sheet, he has paved the way for improvements that can significantly impact various applications. Asahi Glass Company, Limited benefits from his insights and collaborations, solidifying its reputation as a leader in glass innovation.

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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