Chiba, Japan

Naoyuki Kawai

This inventor holds 5 USPTO granted patents and 3 EPO patents. Top assignee: Idemitsu Kosan Company, Limited. Active years: 2015-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoyuki Kawai. Retrieved from https://idiyas.com/inventor/naoyuki-kawai

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 10(Granted Patents)


Location History:

  • Tokyo, JP (2015)
  • Chiba, JP (2017 - 2022)

Company Filing History:


Years Active: 2015-2022

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5 patents (USPTO):Explore Patents

Title: Naoyuki Kawai: Innovator in Polycarbonate Resin Technology

Introduction

Naoyuki Kawai is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of polycarbonate resin technology. With a total of 5 patents to his name, Kawai's work focuses on enhancing the properties of polycarbonate materials for various applications.

Latest Patents

Kawai's latest patents include an aromatic polycarbonate resin composition and an optical molded article. The aromatic polycarbonate resin composition features a unique blend of components, including an alicyclic epoxy compound and a phosphorus-based compound. This composition is designed to maintain a low yellowing index over time, even under challenging environmental conditions. Additionally, his polycarbonate resin composition aims to provide high light transmittance and flame retardancy, making it suitable for a range of applications.

Career Highlights

Naoyuki Kawai is currently employed at Idemitsu Kosan Company, Limited, where he continues to innovate in the field of polymer materials. His work has been instrumental in developing new formulations that enhance the performance and durability of polycarbonate products. Kawai's expertise in this area has positioned him as a key figure in the advancement of resin technology.

Collaborations

Throughout his career, Kawai has collaborated with notable colleagues, including Yasunobu Yamazaki and Takahiro Torii. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Naoyuki Kawai's contributions to polycarbonate resin technology reflect his dedication to innovation and excellence. His patents and ongoing work at Idemitsu Kosan Company, Limited, continue to influence the industry and pave the way for future advancements.

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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