Tokyo, Japan

Ryoko Fukuoka

This inventor holds 3 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignees: Asahi Kasei Chemicals Corporation, Asahi Kasei Kabushiki Kaisha. Active years: 2012-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoko Fukuoka. Retrieved from https://idiyas.com/inventor/ryoko-fukuoka

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 29(Granted Patents)


Location History:

  • Tokyo, JP (2012)
  • Chiyoda-ku, JP (2015)

Company Filing History:


Years Active: 2012-2025

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3 patents (USPTO):Explore Patents

Title: **Ryoko Fukuoka: A Trailblazer in Polymer Innovations**

Introduction

Ryoko Fukuoka, an accomplished inventor based in Chiyoda-ku, Japan, has made significant strides in the field of polymer science. With a focus on modifying conjugated diene-based polymers, her inventions have valuable applications, particularly in the tire industry. Her innovative work has led to the issuance of two patents that underscore her expertise and dedication to advancing polymer technology.

Latest Patents

Ryoko Fukuoka's latest patents revolve around the development of modified conjugated diene-based polymers and their production methods. The first patent details a modified conjugated diene-based polymer possessing a silyl group substituted with one or more alkoxy groups and nitrogen atoms on the polymer chain ends. This polymer is created through polymerization of a conjugated diene compound or its copolymer with an aromatic vinyl compound using a polyfunctional anionic polymerization initiator. The second patent focuses on a modified conjugated diene polymer, which integrates a modifying group based on a low molecular weight compound containing multiple tertiary amino groups and alkoxysilyl groups. The process for creating this polymer emphasizes the use of alkali and alkaline earth metal initiators in a hydrocarbon solvent.

Career Highlights

Fukuoka works at Asahi Kasei Chemicals Corporation, where she continues to contribute significantly to polymer research and innovation. Her expertise in polymer modification techniques enhances the performance characteristics of materials used in various applications, particularly in the automotive sector.

Collaborations

Throughout her career, Ryoko has collaborated with notable colleagues, including Haruo Yamada and Norifusa Ishimura. These collaborations have allowed her to exchange ideas and push the boundaries of polymer technology, further solidifying her role as a leading figure in her field.

Conclusion

In summary, Ryoko Fukuoka stands out as an innovative inventor whose contributions to the field of modified conjugated diene-based polymers are paving the way for advancements in various industries. Her patents reflect a commitment to enhancing material properties and expanding the potential uses of polymers. With her continued efforts at Asahi Kasei Chemicals Corporation, the future of polymer innovation looks promising.

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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