Ichihara, Japan

Norihumi Utada

This inventor holds 2 USPTO granted patents. Top assignee: Ube Industries, Inc.. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norihumi Utada. Retrieved from https://idiyas.com/inventor/norihumi-utada

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1984

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2 patents (USPTO):Explore Patents

Title: Norihumi Utada: Innovator in Polybutadiene Rubber Production

Introduction

Norihumi Utada is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of polybutadiene rubber. His innovative approaches have led to advancements in the mechanical properties of this essential material.

Latest Patents

Utada holds 2 patents related to the production of polybutadiene rubber with enhanced mechanical strength. His first patent describes a process that involves controlling the water content in a solution of 1,3-butadiene in an inert organic solvent. This method results in a polybutadiene rubber that exhibits improved mechanical strength. The second patent further refines this process by controlling both the water and carbon disulfide content in the solution, leading to a product with specific weight fractions of boiling n-hexane-insoluble and soluble fractions.

Career Highlights

Norihumi Utada is associated with Ube Industries, Inc., where he has been instrumental in developing innovative rubber production techniques. His work has not only enhanced the quality of polybutadiene rubber but has also contributed to the overall efficiency of the manufacturing process.

Collaborations

Utada has collaborated with notable colleagues, including Hidetomo Ashitaka and Hideo Ishikawa. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Norihumi Utada's contributions to the field of polymer chemistry, particularly in the production of polybutadiene rubber, highlight his role as a key innovator. His patents reflect a commitment to enhancing material properties, which is crucial for various industrial applications.

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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