Tokyo, Japan

Tetsuro Izumiya

This inventor holds 3 USPTO granted patents and 3 published patent applications. Top assignees: Artience Co., Ltd., Toyocolor Co., Ltd, Artience Co., Ltd.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuro Izumiya. Retrieved from https://idiyas.com/inventor/tetsuro-izumiya

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 3.4

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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3 patents (USPTO):Explore Patents

Title: Tetsuro Izumiya: Innovator in Conductive Materials

Introduction

Tetsuro Izumiya is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of conductive materials, particularly in the development of innovative solutions for secondary batteries. With a total of two patents to his name, Izumiya's work is recognized for its technical depth and practical applications.

Latest Patents

Izumiya's latest patents include a conductive material dispersion and a carbon nanotube dispersion liquid for nonaqueous electrolyte secondary batteries. The conductive material dispersion comprises a conductive material, such as carbon nanotubes or carbon black, combined with carboxymethyl cellulose or its salt, and water. This formulation is designed to achieve a specific complex elastic modulus and phase angle, ensuring optimal performance. His second patent focuses on a carbon nanotube dispersion liquid that meets stringent criteria regarding the average outer diameter, BET surface area, and fiber length of the carbon nanotubes, making it suitable for advanced battery applications.

Career Highlights

Throughout his career, Tetsuro Izumiya has worked with notable companies, including Artience Co., Ltd. and Toyocolor Co., Ltd. His experience in these organizations has allowed him to refine his expertise in material science and battery technology.

Collaborations

Izumiya has collaborated with talented individuals such as Yu Morita and Yu Aotani, contributing to the advancement of innovative technologies in his field.

Conclusion

Tetsuro Izumiya stands out as a key figure in the development of conductive materials for secondary batteries. His patents reflect a commitment to innovation and practical solutions in the energy sector. His work continues to influence advancements in battery technology and material science.

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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