Gifu, Japan

Susumu Iwagiri

This inventor holds 1 USPTO granted patent. Top assignee: Eisai Company, Limited. Active years: 1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Iwagiri. Retrieved from https://idiyas.com/inventor/susumu-iwagiri

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 = 4.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1982

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1 patent (USPTO):Explore Patents

Title: The Innovations of Susumu Iwagiri

Introduction

Susumu Iwagiri is a notable inventor based in Gifu, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of solid preparations that incorporate essential vitamins.

Latest Patents

Iwagiri holds a patent for a solid preparation comprising cobamamide or mecobalamin. This innovative formulation includes a red dye suitable for food, which acts as a stabilizer against light degradation. His work in this area highlights the importance of stability in pharmaceutical products.

Career Highlights

Throughout his career, Iwagiri has been associated with Eisai Company, Limited, a prominent player in the pharmaceutical industry. His expertise in developing effective drug formulations has contributed to the company's reputation for quality and innovation.

Collaborations

Iwagiri has worked alongside talented colleagues such as Teruyoshi Nasu and Yasuo Miyake. Their collaborative efforts have further advanced the research and development of pharmaceutical products.

Conclusion

Susumu Iwagiri's contributions to the field of pharmaceuticals, particularly through his patent for solid preparations, demonstrate his commitment to innovation and quality in healthcare. His work continues to impact the industry positively.

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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