Sakai, Japan

Risako Tokunaga

This inventor holds 1 USPTO granted patent and 1 published patent application and 1 EPO patent. Top assignee: Nitto Shinko Corporation. Active years: 2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Risako Tokunaga. Retrieved from https://idiyas.com/inventor/risako-tokunaga

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2024

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1 patent (USPTO):Explore Patents

Title: Innovations by Risako Tokunaga

Introduction

Risako Tokunaga is a notable inventor based in Sakai, Japan. She has made significant contributions to the field of adhesives, particularly with her innovative thermosetting adhesive. Her work is recognized for its unique properties and applications in various industries.

Latest Patents

Risako Tokunaga holds a patent for a thermosetting adhesive and adhesive sheet. This adhesive includes a combination of polyurethane, isocyanate, epoxy, and phenoxy resin. The dynamic viscoelasticity spectrum of the cured product exhibits a peak indicating a softening temperature in an area of 200° C. or higher, while showing no peak in an area of 160° C. or lower. This innovation enhances the performance and reliability of adhesive applications.

Career Highlights

Risako Tokunaga is currently employed at Nitto Shinko Corporation, where she continues to develop advanced adhesive technologies. Her expertise in the field has positioned her as a key contributor to the company's research and development efforts.

Collaborations

Risako collaborates with her coworker, Yoshiki Takahashi, who is also a talented inventor. Together, they work on various projects that aim to push the boundaries of adhesive technology.

Conclusion

Risako Tokunaga's innovative work in thermosetting adhesives showcases her dedication to advancing adhesive technology. Her contributions are valuable to the industry and highlight the importance of research and collaboration in driving innovation.

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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