Tokyo, Japan

Junko Ichikawa

This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignee: Nippon Kayaku Kabushiki Kaisha. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junko Ichikawa. Retrieved from https://idiyas.com/inventor/junko-ichikawa

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

USPTO Granted Patents = 3 

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2016

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3 patents (USPTO):Explore Patents

Title: Junko Ichikawa: Innovator in Epoxy Resin Technology

Introduction

Junko Ichikawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of epoxy resin technology, particularly in the development of compositions suitable for optical applications. With a total of 3 patents to his name, Ichikawa continues to push the boundaries of innovation in this specialized area.

Latest Patents

Ichikawa's latest patents include an epoxy resin composition for transparent sheets and the cured product derived from it. This composition is designed to produce optical sheets and includes a polyvalent carboxylic acid represented by a specific formula. The cured product is notable for its high refractive index, which is 1.51 or higher at 25°C. Another patent focuses on a similar epoxy resin composition that involves impregnating glass cloth, further enhancing the optical properties of the resulting sheets.

Career Highlights

Ichikawa is currently employed at Nippon Kayaku Kabushiki Kaisha, where he applies his expertise in epoxy resin technology. His work has been instrumental in advancing the company's capabilities in producing high-quality optical materials.

Collaborations

Ichikawa collaborates with talented coworkers, including Noriko Kiyoyanagi and Masataka Nakanishi, who contribute to the innovative environment at Nippon Kayaku.

Conclusion

Junko Ichikawa's contributions to epoxy resin technology exemplify the spirit of innovation in the field. His patents reflect a commitment to enhancing optical materials, making a lasting impact on the industry.

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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