Otake, Japan

Harumi Shibatani

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harumi Shibatani. Retrieved from https://idiyas.com/inventor/harumi-shibatani

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


Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2013

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1 patent (USPTO):Explore Patents

Title: Harumi Shibatani: Innovator in Acrylonitrile Copolymer Technology

Introduction

Harumi Shibatani is a prominent inventor based in Otake, Japan. She has made significant contributions to the field of polymer chemistry, particularly in the development of acrylonitrile copolymers. Her innovative work has implications for the production of carbon fibers, which are essential in various high-performance applications.

Latest Patents

Harumi Shibatani holds a patent for an "Acrylonitrile copolymer and method for producing the same, acrylonitrile copolymer solution and polyacrylonitrile precursor fiber for carbon fiber and method for producing the same." This patent describes an acrylonitrile copolymer that exhibits excellent thermal stability when dissolved in an amide solvent. The copolymer is capable of forming dense polyacrylonitrile fibers, which are suitable for carbon fiber production. The invention details the specific composition of the copolymer, including the presence of a sulfonate group and the method for producing polyacrylonitrile precursor fibers.

Career Highlights

Harumi Shibatani is associated with Mitsubishi Rayon Company, Limited, where she has been instrumental in advancing polymer technologies. Her work has not only contributed to the company's portfolio but has also positioned her as a key figure in the field of materials science.

Collaborations

Harumi has collaborated with notable colleagues, including Norifumi Hirota and Yusuke Shinmen. These collaborations have fostered innovation and have led to advancements in the development of acrylonitrile-based materials.

Conclusion

Harumi Shibatani's contributions to acrylonitrile copolymer technology highlight her role as a leading inventor in the field. Her innovative approaches and collaborations continue to influence the development of materials for carbon fiber production.

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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