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For the Inventor, By the Inventor

Chiba, Japan

Kozo Yudate

This inventor holds 5 USPTO granted patents. Top assignees: Kawasaki Steel Corporation, Nitto Boseki Co., Ltd., Other. Active years: 1986-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kozo Yudate. Retrieved from https://idiyas.com/inventor/kozo-yudate

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 36(Granted Patents)


Company Filing History:

goldMedal3 out of 1,256 
 
Kawasaki Steel Corporation
 patents
silverMedal2 out of 266 
 
Nitto Boseki Co., Ltd.
 patents
bronzeMedal1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1986-1996

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5 patents (USPTO):Explore Patents
1. 5510185 - Carbon fiber chopped strands and coating dispersion used for producing (1996-04-23),
2. 4758326 - Method of producing precursor pitches for carbon fibers (1988-07-19),
3. 4589975 - Method of producing a precursor pitch for carbon fiber (1986-05-20),
4. 4578177 - Method for producing a precursor pitch for carbon fiber (1986-03-25),
5. 4575412 - Method for producing a precursor pitch for carbon fiber (1986-03-11),

Title: The Innovations of Kozo Yudate

Introduction

Kozo Yudate is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of carbon fiber technology, holding a total of 5 patents. His work focuses on enhancing the properties and production methods of carbon fibers, which are essential in various industrial applications.

Latest Patents

Yudate's latest patents include innovative advancements in carbon fiber chopped strands and coating dispersions. One notable invention is directed to chopped strands of carbon fibers that contain 0.3-5% by weight of carbonaceous spherules between the filaments. This innovation allows for improved separation and dispersion in matrices while maintaining excellent bundling properties. Another significant patent involves a method for producing precursor pitches for carbon fibers. This method includes dissolving coal tar pitch in a specific solvent to remove insoluble matter, followed by distillation and heat treatment to obtain a purified pitch suitable for carbon fiber production.

Career Highlights

Throughout his career, Yudate has worked with notable companies such as Kawasaki Steel Corporation and Nitto Boseki Co., Ltd. His experience in these organizations has contributed to his expertise in carbon fiber technology and innovation.

Collaborations

Yudate has collaborated with several professionals in his field, including Ken Nagasawa and Yukihiro Ohsugi. These collaborations have likely enriched his research and development efforts, leading to groundbreaking advancements in carbon fiber applications.

Conclusion

Kozo Yudate's contributions to carbon fiber technology through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative approaches continue to shape the future of materials science.

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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