Funabashi, Japan

Kei Yasui

This inventor holds 11 USPTO granted patents and 3 EPO patents. Top assignees: Nissan Chemical Industries Limited, Kyushu University. Active years: 2012-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kei Yasui. Retrieved from https://idiyas.com/inventor/kei-yasui

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


% Patents Active = 72.7

 

Average Co-Inventor Count = 4.2

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2012-2021

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11 patents (USPTO):Explore Patents

Title: Kei Yasui: Innovator in Nonlinear Optical Materials

Introduction

Kei Yasui is a prominent inventor based in Funabashi, Japan. He has made significant contributions to the field of nonlinear optical materials, holding a total of 11 patents. His work focuses on developing advanced polymers that enhance the performance of optical materials.

Latest Patents

One of Yasui's latest patents is for a nonlinear optically active copolymer into which an alicyclic group has been introduced. This copolymer exhibits satisfactory orientation characteristics and reduces heat-induced orientation relaxation in nonlinear optical materials. The copolymer includes at least a repeating unit A with an adamantyl group and a repeating unit B containing a nonlinear optically active moiety. Another notable patent involves a polymer containing a triazine ring, which allows for the creation of thin films capable of forming minute patterns with a high index of refraction.

Career Highlights

Throughout his career, Kei Yasui has worked with notable organizations such as Nissan Chemical Industries Limited and Kyushu University. His innovative research has positioned him as a key figure in the development of advanced optical materials.

Collaborations

Yasui has collaborated with esteemed colleagues, including Masaaki Ozawa and Daisuke Maeda. These partnerships have furthered his research and contributed to the advancement of nonlinear optical technologies.

Conclusion

Kei Yasui's contributions to nonlinear optical materials through his patents and collaborations highlight his role as a leading inventor in this specialized field. His work continues to influence advancements in optical technology.

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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