Ehime, Japan

Shizuo Watanabe

This inventor holds 4 USPTO granted patents. Top assignee: Toray Industries, Inc.. Active years: 1980-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuo Watanabe. Retrieved from https://idiyas.com/inventor/shizuo-watanabe

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 = 2.2

ph-index = 3

Forward Citations = 39(Granted Patents)


Company Filing History:


Years Active: 1980-1985

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4 patents (USPTO):Explore Patents

Title: Shizuo Watanabe: Innovator in Carbon Fiber Technology

Introduction

Shizuo Watanabe is a prominent inventor based in Ehime, Japan. He has made significant contributions to the field of carbon fiber technology, holding a total of 4 patents. His work focuses on enhancing the properties and production methods of carbon fibers, which are essential materials in various industries.

Latest Patents

Watanabe's latest patents include innovative processes for preparing carbon fibers. One notable patent is for a carbon fiber superior in processability and physical properties as a composite. This is achieved by treating carbon fiber with an epoxy resin composition that incorporates a polyalkylene ether glycol derivative. Another significant patent outlines a method of producing carbon fibers that reduces heat loss during the exhaust gas disposal process, thereby improving the efficiency of heat treatment and preventing issues such as surface damage and fiber breakage.

Career Highlights

Shizuo Watanabe is associated with Toray Industries, Inc., a leading company in advanced materials. His work has not only advanced the technology behind carbon fibers but has also contributed to the overall efficiency and sustainability of their production.

Collaborations

Watanabe has collaborated with notable colleagues, including Atsushi Sumida and Keiichiro Ozaki. These collaborations have further enriched his research and development efforts in the field of carbon fiber technology.

Conclusion

Shizuo Watanabe's innovative work in carbon fiber technology has positioned him as a key figure in the industry. His patents reflect a commitment to improving material properties and production methods, contributing to advancements in various applications.

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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