Omiya, Japan

Ei Shirai

This inventor holds 1 USPTO granted patent. Top assignee: Showa Denko Kabushiki Kaisha. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ei Shirai. Retrieved from https://idiyas.com/inventor/ei-shirai

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Ei Shirai - Innovator in Pesticide Composition

Introduction

Ei Shirai is a notable inventor based in Omiya, Japan. She has made significant contributions to the field of agricultural chemistry, particularly in the development of pesticide compositions. Her innovative work focuses on enhancing the effectiveness and application of pesticides.

Latest Patents

Ei Shirai holds a patent for a powdered or granular solid pesticide composition. This composition comprises methyl isothiocyanate supported on natural or synthetic faujasite type zeolite particles, which have an effective micro-pore diameter of 3.5 to 6 angstroms. This innovative pesticide composition is designed to effectively control various plant parasitic nematodes and noxious soil organisms. Additionally, it remarkably facilitates application work, making it a valuable tool for agricultural practices.

Career Highlights

Ei Shirai is associated with Showa Denko Kabushiki Kaisha, a prominent company in the chemical industry. Her work at the company has allowed her to focus on research and development in pesticide formulations, contributing to advancements in agricultural technology.

Collaborations

Throughout her career, Ei Shirai has collaborated with esteemed colleagues, including Mamoru Yoshida and Hidejiro Yokoo. These collaborations have fostered a productive environment for innovation and have led to the successful development of her patented pesticide composition.

Conclusion

Ei Shirai's contributions to pesticide composition highlight her role as an innovator in agricultural chemistry. Her work not only addresses critical challenges in pest control but also enhances the efficiency of pesticide application. Her achievements reflect the importance of innovation in improving agricultural practices.

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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