Yokohama, Japan

Toru Kuwabara

This inventor holds 1 USPTO granted patent. Top assignees: Nippon Telegraph and Telephone Public Corporation, Sumitomo Electric Industries, Limited. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Kuwabara. Retrieved from https://idiyas.com/inventor/toru-kuwabara-aichzl32

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 = 4.0

ph-index = 1

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: The Innovations of Toru Kuwabara

Introduction

Toru Kuwabara is a notable inventor based in Yokohama, Japan. He is recognized for his contributions to the field of optical fiber technology. His innovative methods have significantly impacted the manufacturing processes of optical fibers.

Latest Patents

Kuwabara holds a patent for a "Method for manufacturing an optical fiber preform." This invention involves the use of two gaseous raw glass materials containing dopants that provide different refractive indices. These materials are jetted from a five-tip burner, where an argon carrier plays a crucial role. The process includes the formation of soot-like glass particles through flame hydrolysis, which are then deposited on a rotating start rod to grow a cylindrical preform. This method results in a preform with a parabolic radial index of refraction distribution, which is essential for the performance of optical communication fibers.

Career Highlights

Throughout his career, Kuwabara has worked with prominent companies such as Nippon Telegraph and Telephone Public Corporation and Sumitomo Electric Industries, Limited. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in optical technology.

Collaborations

Kuwabara has collaborated with esteemed colleagues, including Tatsuo Izawa and Yuichi Masuda. Their joint efforts have furthered the development of innovative solutions in the field of optical fibers.

Conclusion

Toru Kuwabara's contributions to optical fiber technology through his patent and collaborations highlight his importance as an inventor. His work continues to influence the industry and pave the way for future innovations.

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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