Yokosuka, Japan

Atsuya Tokutomi

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Carbon Co., Ltd.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsuya Tokutomi. Retrieved from https://idiyas.com/inventor/atsuya-tokutomi

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Atsuya Tokutomi: Innovator in Silicon Carbide Fiber Technology

Introduction

Atsuya Tokutomi is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of materials science, particularly in the development of silicon carbide fibers. His innovative work has led to advancements in the mechanical properties and electrical resistance of these fibers.

Latest Patents

Atsuya Tokutomi holds a patent for a silicon carbide fiber and the method of manufacturing the same. This fiber is characterized by its low specific electric resistance and excellent mechanical properties. The manufacturing process involves heating an antimelt-treated polycarbosilane fiber at a temperature not exceeding 1000°C in an inert gas atmosphere, followed by further heating in a mixture of hydrocarbon gas and inert gas at temperatures up to 1500°C. This unique approach results in a silicon carbide fiber with an amorphous carbon film formed on its surface.

Career Highlights

Tokutomi is associated with Nippon Carbon Co., Ltd., where he has been instrumental in advancing the company's research and development efforts in carbon-based materials. His work has not only contributed to the company's portfolio but has also positioned it as a leader in the field of advanced materials.

Collaborations

Throughout his career, Atsuya Tokutomi has collaborated with esteemed colleagues such as Hiroshi Ichikawa and Kenji Ushikoshi. These collaborations have fostered a productive environment for innovation and have led to significant advancements in their respective fields.

Conclusion

Atsuya Tokutomi's contributions to the development of silicon carbide fibers exemplify the impact of innovative thinking in materials science. His patented technology continues to influence the industry and showcases the importance of research and collaboration in driving advancements.

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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