Osaka, Japan

Toyokuni Fujiwara

This inventor holds 5 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignee: Dic Corporation. Active years: 2010-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyokuni Fujiwara. Retrieved from https://idiyas.com/inventor/toyokuni-fujiwara

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2010-2023

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5 patents (USPTO):Explore Patents

Title: Toyokuni Fujiwara: Innovator in Artificial Leather Technology

Introduction

Toyokuni Fujiwara is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of artificial leather manufacturing, holding a total of 5 patents. His innovative approaches focus on environmentally friendly methods that enhance the quality and usability of artificial leather products.

Latest Patents

One of Fujiwara's latest patents is a method for manufacturing artificial leather. The objective of this invention is to provide a production method that does not require organic solvents and eliminates the need for a crosslinking step involving a crosslinking agent. This method utilizes a moisture-curing urethane hot-melt resin composition, which contains a urethane prepolymer with an isocyanate group. The application of this composition to a substrate results in a cured product layer that meets practical usability standards.

Another notable patent involves a moisture-curable polyurethane hot-melt resin composition. This invention aims to deliver a composition with excellent waterproof properties, drop impact resistance, and flexibility. The composition includes a urethane prepolymer produced from a reaction between a polyol and a polyisocyanate, ensuring high performance in various applications.

Career Highlights

Fujiwara is associated with Dic Corporation, where he continues to develop innovative solutions in the field of artificial materials. His work has significantly impacted the industry, leading to advancements that prioritize sustainability and efficiency.

Collaborations

Fujiwara collaborates with talented individuals such as Yoshinori Kanagawa and Ryou Nonaka. Their combined expertise fosters a creative environment that drives innovation in their projects.

Conclusion

Toyokuni Fujiwara's contributions to artificial leather technology exemplify the spirit of innovation. His patents reflect a commitment to developing sustainable and efficient manufacturing methods. Through his work at Dic Corporation, he continues to influence the industry positively.

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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