Niigata, Japan

Seiji Nagasawa

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Gas Chemical Company, Inc.. Active years: 1990-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Nagasawa. Retrieved from https://idiyas.com/inventor/seiji-nagasawa

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 = 2

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1990-1991

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2 patents (USPTO):Explore Patents

Title: **Seiji Nagasawa: Innovator in Carboxylic Acid Ester Production**

Introduction

Seiji Nagasawa is an accomplished inventor based in Niigata, Japan, known for his contributions to the field of chemical engineering. With a focus on carboxylic acid esters, Nagasawa has been granted two patents that enhance the efficiency of industrial production processes.

Latest Patents

Nagasawa's latest patents detail innovative processes for producing carboxylic acid esters. The first patent outlines a method that involves reacting carboxylic acid amides and formic acid esters, or carboxylic acid amides, alcohols, and carbon monoxide in the presence of metal alcoholate. This process aims to provide a more effective way of obtaining industrially significant compounds. The second patent presents an efficient approach where carboxylic acid amides are reacted with formic acid esters, utilizing an inorganic solid acid catalyst to streamline production further.

Career Highlights

Seiji Nagasawa is currently employed at Mitsubishi Gas Chemical Company, Inc., where he applies his expertise in chemical processes. His work is pivotal in pushing the boundaries of innovation in chemical manufacturing, specifically in the synthesis of carboxylic acid esters.

Collaborations

During his career, Nagasawa has collaborated with notable colleagues, including Hideo Ikarashi and Yoshio Kawai. Together, they contribute significantly to advancements in their field, exploring new methodologies and enhancing existing processes.

Conclusion

Seiji Nagasawa's contributions to the field of chemical engineering through his patents and collaborations mark him as a significant figure in the industry. His innovative work at Mitsubishi Gas Chemical Company, Inc. continues to pave the way for advancements in the production of essential chemical compounds.

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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