Tokyo, Japan

Ryotaro Umezu

This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Mitsubishi Gas Chemical Company, Inc.. Active years: 2023-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryotaro Umezu. Retrieved from https://idiyas.com/inventor/ryotaro-umezu

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.4

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2023-2025

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Ryotaro Umezu

Introduction

Ryotaro Umezu is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of aromatic nitrile compounds and carbonate esters. With a total of four patents to his name, Umezu's work has garnered attention for its innovative approaches and practical applications.

Latest Patents

Umezu's latest patents include a method for producing aromatic nitrile compounds and a method for producing carbonate esters. The method for producing aromatic nitrile compounds involves a dehydration reaction that allows for the selective and high-yield production of desired compounds while minimizing by-products. This process includes a contact step where the aromatic amide compound interacts with a catalyst in a gas phase during the dehydration reaction. Additionally, his method for producing carbonate esters aims to achieve high yields through a simple process, utilizing a reaction between alcohol and carbon dioxide in the presence of an aromatic nitrile compound and a catalyst, with strict control over the water content in the alcohol.

Career Highlights

Ryotaro Umezu is currently employed at Mitsubishi Gas Chemical Company, Inc., where he continues to innovate and develop new chemical processes. His work has not only advanced the field but has also contributed to the efficiency and sustainability of chemical production methods.

Collaborations

Umezu has collaborated with notable colleagues, including Hidefumi Harada and Takehiko Isobe. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and enhances the quality of their research.

Conclusion

Ryotaro Umezu's contributions to the field of chemical engineering through his innovative patents demonstrate his commitment to advancing technology and improving production methods. His work at Mitsubishi Gas Chemical Company, Inc. continues to influence 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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