Suntou-gun, Japan

Rie Kawahito

This inventor holds 1 USPTO granted patent and 1 published patent application and 1 EPO patent. Top assignee: Toho Tenax Co., Ltd.. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rie Kawahito. Retrieved from https://idiyas.com/inventor/rie-kawahito

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: Rie Kawahito: Innovator in Carbon Fiber Production

Introduction

Rie Kawahito is a prominent inventor based in Sunto-gun, Japan. She has made significant contributions to the field of materials science, particularly in the production of carbon fibers. Her innovative methods have the potential to enhance the performance of composite materials used in various industries.

Latest Patents

Kawahito holds a patent for a method of producing pre-oxidation fiber and carbon fiber. This method involves subjecting a polyacrylic precursor fiber to pre-oxidation processing in an oxidizing atmosphere. The process includes shrinking the precursor fiber as a pretreatment at a specific load and temperature, ensuring that the degree of cyclization does not exceed certain limits. The result is a carbon fiber that exhibits high strength and elasticity, making it suitable for high-performance composite materials.

Career Highlights

Kawahito is associated with Toho Tenax Co., Ltd., a leading company in the field of advanced materials. Her work has been instrumental in developing innovative techniques that improve the quality and performance of carbon fibers. She has dedicated her career to advancing the science of materials, contributing to the growth of the industry.

Collaborations

Kawahito has collaborated with notable colleagues, including Taro Oyama and Hiroshi Kimura. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Rie Kawahito's contributions to carbon fiber production exemplify her dedication to innovation in materials science. Her patented methods are paving the way for advancements in composite materials, showcasing her impact on the 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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