Osaka, Japan

Kohei Tazumi

This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignees: Sekisui Kasei Co., Ltd., Sekisui Kasei Co., Ltd.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohei Tazumi. Retrieved from https://idiyas.com/inventor/kohei-tazumi-c2l3moe8

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

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.4

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: Kohei Tazumi: Innovator in Expanded Particles Technology

Introduction

Kohei Tazumi is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of materials science, particularly in the development of expanded particles and molded articles. His innovative work has led to advancements that enhance the properties and applications of polycarbonate-based resins.

Latest Patents

Tazumi holds a patent for "Expanded particles and expanded molded article." This invention relates to expanded particles that utilize a polycarbonate-based resin as a base material. The patent specifies parameters such as cell density and average cell wall thickness, which are crucial for the performance of the expanded molded article. Additionally, it addresses the bulk ratio and average cell diameter, further refining the characteristics of the expanded particles.

Career Highlights

Throughout his career, Kohei Tazumi has been associated with Sekisui Kasei Co., Ltd., where he has played a pivotal role in research and development. His work has not only contributed to the company's portfolio but has also positioned him as a key figure in the innovation of materials used in various industries.

Collaborations

Tazumi has collaborated with talented individuals such as Mayumi Ando and Daichi Kageyama. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Kohei Tazumi's contributions to the field of expanded particles and molded articles exemplify the impact of innovative thinking in materials science. His patent reflects a commitment to advancing technology that benefits various applications. His work continues to inspire future innovations in 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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