Kawagoe, Japan

Sumio Shimada

This inventor holds 1 USPTO granted patent. Top assignee: Toyo Rubber Chemical Industrial Corporation. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sumio Shimada. Retrieved from https://idiyas.com/inventor/sumio-shimada-40klymdy

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 = 1

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: The Innovations of Sumio Shimada

Introduction

Sumio Shimada is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of materials science, particularly in the development of antistatic polyurethane foams. His innovative approach has led to advancements that benefit various industries.

Latest Patents

Shimada holds a patent for a method of preparing a polyurethane foam that incorporates quaternary ammonium salts as an antistatic agent. This patent outlines a process where the quaternary ammonium salt can be added either to the raw materials used for creating polyurethane foam or to the foam itself after it has been prepared. The method involves impregnating the foam with a solution containing the quaternary ammonium salt and subsequently drying it. This innovation addresses the need for antistatic properties in polyurethane foams, which are widely used in numerous applications.

Career Highlights

Sumio Shimada is associated with Toyo Rubber Chemical Industrial Corporation, where he has been instrumental in research and development. His work has not only contributed to the company's portfolio but has also enhanced the performance of polyurethane products in the market. His expertise in materials science has positioned him as a valuable asset in his field.

Collaborations

Shimada has collaborated with notable colleagues such as Osamu Fujii and Toshio Kishimoto. Their combined efforts have fostered a creative environment that encourages innovation and the development of new materials.

Conclusion

Sumio Shimada's contributions to the field of polyurethane foams exemplify the impact of innovative thinking in materials science. His patent for an antistatic polyurethane foam showcases his ability to address industry needs through effective solutions. His work continues to influence advancements in the field.

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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