Clermont-Ferrand, France

Natsuko Shiozawa

This inventor holds 1 USPTO granted patent and 2 published patent applications and 3 EPO patents. Top assignee: Compagnie Generale Des Etablissements Michelin. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Natsuko Shiozawa. Retrieved from https://idiyas.com/inventor/natsuko-shiozawa

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Natsuko Shiozawa: Innovator in Rubber Composition Technology

Introduction

Natsuko Shiozawa is a notable inventor based in Clermont-Ferrand, France. She has made significant contributions to the field of rubber composition, particularly in enhancing the performance characteristics of rubber materials. Her innovative work has led to the development of a patented rubber composition that addresses key industry challenges.

Latest Patents

Natsuko Shiozawa holds a patent for a rubber composition comprising a specific reinforcing filler. This composition is designed to improve rolling resistance and is based on a diene elastomer that primarily includes at least one isoprene elastomer. The formulation features a reinforcing filler that consists of 15 to 70 parts per hundred rubber (phr) of carbon black with a BET specific surface area of less than 70 m²/g, and/or a COAN of less than 90 ml/100 g, along with 5 to 20 phr of silica. Additionally, it incorporates a salt of an alkaline-earth, alkali, or lanthanide metal, and a crosslinking system, ensuring that the carbon black to silica ratio is greater than 1.

Career Highlights

Natsuko Shiozawa is currently employed at Compagnie Générale des Établissements Michelin, a leading company in the tire and rubber industry. Her work at Michelin has allowed her to focus on innovative solutions that enhance the performance and sustainability of rubber products.

Collaborations

Throughout her career, Natsuko has collaborated with talented colleagues, including Joël Barbouteau and Auriane Frisch. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Natsuko Shiozawa's contributions to rubber composition technology exemplify her commitment to innovation and excellence in her field. Her patented work not only improves product performance but also showcases the importance of collaboration in driving technological 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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