Izumi, Japan

Masahisa Shionoya

This inventor holds 5 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1986-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahisa Shionoya. Retrieved from https://idiyas.com/inventor/masahisa-shionoya

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 = 5

Forward Citations = 55(Granted Patents)


Company Filing History:


Years Active: 1986-1988

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5 patents (USPTO):Explore Patents

Title: Masahisa Shionoya: Innovator in Polyurethane and Polyolefin Technologies

Introduction

Masahisa Shionoya is a prominent inventor based in Izumi, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of stabilized polyurethane and polyolefin compositions. With a total of 5 patents to his name, Shionoya continues to push the boundaries of innovation in material science.

Latest Patents

Shionoya's latest patents include a method for creating stabilized polyurethane compositions. This innovation involves incorporating a phenolic type compound to prevent yellowing, enhancing the longevity and aesthetic quality of polyurethane products. Another notable patent focuses on polyolefin resin compositions, which are thermally stabilized and protected against yellowing caused by nitrogen oxide gases through the use of a specific chemical compound.

Career Highlights

Masahisa Shionoya is currently associated with Sumitomo Chemical Company, Limited, where he applies his expertise in polymer technology. His work has been instrumental in advancing the company's product offerings and enhancing the performance of their materials.

Collaborations

Shionoya has collaborated with notable colleagues such as Tamaki Ishii and Shinichi Yachigo. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Masahisa Shionoya's contributions to the field of polymer chemistry are noteworthy. His innovative patents and collaborations reflect his commitment to advancing material science. His work continues to influence the industry and inspire future innovations.

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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