Tokyo, Japan

Tomoyuki Shibuya

This inventor holds 1 USPTO granted patent and 1 published patent application and 2 EPO patents. Top assignee: Zeon Corporation. Active years: 2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoyuki Shibuya. Retrieved from https://idiyas.com/inventor/tomoyuki-shibuya-yk4xbalk

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2023

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Tomoyuki Shibuya

Introduction

Tomoyuki Shibuya is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of specialized rubber materials. His innovative approach has led to advancements that benefit various industries.

Latest Patents

One of Tomoyuki Shibuya's key patents is titled "Method for producing nitrile group-containing copolymer rubber." This patent describes a method for producing a nitrile group-containing copolymer rubber by copolymerizing a monomer mixture that includes an α,β-ethylenically unsaturated nitrile monomer and a conjugated diene monomer. The resulting copolymer exhibits a Mooney viscosity (ML1+4, 100°C) ranging from 30 to 60 when the polymerization conversion rate reaches 60%. The copolymerization process continues until the conversion rate exceeds 85%, resulting in a nitrile group-containing copolymer rubber with a Mooney viscosity of 85 to 150.

Career Highlights

Throughout his career, Tomoyuki Shibuya has worked with prominent companies such as Zeon Corporation and Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Tomoyuki has collaborated with esteemed colleagues, including Atsuhiro Shiono and Hironobu Yamakawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tomoyuki Shibuya's contributions to the field of polymer chemistry, particularly through his patented methods, highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in 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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