Gumma, Japan

Kazumi Iijima

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Eisai Company, Limited. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumi Iijima. Retrieved from https://idiyas.com/inventor/kazumi-iijima-58dc3v6a

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Kazumi Iijima: Innovator in Pharmaceutical Solutions

Introduction

Kazumi Iijima is a notable inventor based in Gumma, Japan. She has made significant contributions to the field of pharmaceuticals, particularly in the development of aqueous solutions containing lipid-soluble substances. Her innovative work has the potential to enhance the stability and efficacy of various pharmaceutical formulations.

Latest Patents

Kazumi Iijima holds 1 patent for her invention titled "Aqueous solution containing lipid-soluble pharmaceutical substance." This patent discloses an aqueous solution that includes a lipid-soluble active vitamin substance and/or ubiquinone. The solution is designed to maintain a pH of 5.5-8 and incorporates hydrogenated lecithin and neutral amino acids. It is characterized by its stability, absence of side effects, and ease of preparation.

Career Highlights

Kazumi Iijima is currently employed at Eisai Company, Limited, where she continues to advance her research and development efforts. Her work at Eisai has positioned her as a key player in the pharmaceutical industry, contributing to innovative solutions that address various health challenges.

Collaborations

Throughout her career, Kazumi has collaborated with esteemed colleagues, including Hiroyuki Ohasi and Toru Takami. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise, further enhancing the impact of their collective work.

Conclusion

Kazumi Iijima's contributions to the field of pharmaceuticals exemplify the importance of innovation in developing effective and safe medical solutions. Her work not only highlights her expertise but also underscores the collaborative spirit that drives advancements in healthcare.

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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