Chiba, Japan

Kei Nagayama

This inventor holds 2 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignee: Dow-Mitsui Polychemicals Co., Ltd.. Active years: 2023-2024.

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

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.7

ph-index = 1


Company Filing History:


Years Active: 2023-2024

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2 patents (USPTO):Explore Patents

Title: Kei Nagayama: Innovator in Solar Cell Technology

Introduction

Kei Nagayama is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of solar cell technology, holding a total of 2 patents. His work focuses on developing advanced materials that enhance the efficiency and durability of solar cells.

Latest Patents

Nagayama's latest patents include a resin composition for solar cell encapsulants and a manufacturing method for these encapsulants. The first patent describes a resin composition that incorporates various copolymers and a metal inactivating agent, aimed at improving the performance of solar cell encapsulants. The second patent details a resin composition used for forming laminated glass interlayer films or solar cell encapsulants, which includes an ionomer of an ethylene-unsaturated carboxylic acid-based copolymer.

Career Highlights

Kei Nagayama is currently employed at Dow-Mitsui Polychemicals Co., Ltd., where he continues to innovate in the field of polymer chemistry. His work has been instrumental in advancing solar technology, making it more accessible and efficient for widespread use.

Collaborations

Throughout his career, Nagayama has collaborated with notable colleagues, including Motoaki Isokawa and Kana Kukita. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Kei Nagayama's contributions to solar cell technology exemplify the impact of innovative thinking in the field of renewable energy. His patents reflect a commitment to enhancing the efficiency and sustainability of solar energy solutions.

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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