Urawa, Japan

Keizo Tomuro

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Rikagakuyakuhin Company, Ltd.. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keizo Tomuro. Retrieved from https://idiyas.com/inventor/keizo-tomuro

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 = 20(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Keizo Tomuro

Introduction

Keizo Tomuro is a notable inventor based in Urawa, Japan. He has made significant contributions to the field of chemistry, particularly in the optical resolution of amino acids. His work has implications for various applications in pharmaceuticals and biochemistry.

Latest Patents

Keizo Tomuro holds a patent for a method of optical resolution of DL-cysteine and (R,S)-1-(1-naphthyl)ethylamine. The process involves several steps, including the reaction of DL-cysteine with formaldehyde to prepare DL-thiazolidine-4-carboxylic acid (DL-TCA). This is followed by the formation of diastereomer salts and their separation based on solubility differences. The final steps involve recovering D-cysteine and L-cysteine from their respective diastereomer salts. This innovative method enhances the efficiency of obtaining optically active compounds, which are crucial in various chemical applications.

Career Highlights

Keizo Tomuro is associated with Nippon Rikagakuyakuhin Company, Ltd., where he continues to contribute to advancements in chemical research. His work has been recognized for its potential impact on the pharmaceutical industry, particularly in the development of new drugs.

Collaborations

Throughout his career, Tomuro has collaborated with esteemed colleagues such as Yoshiharu Tamura and Yoko Morimoto. These collaborations have fostered a productive environment for innovation and research in their field.

Conclusion

Keizo Tomuro's contributions to the field of chemistry, particularly through his patented methods, highlight his role as an influential inventor. His work not only advances scientific knowledge but also paves the way for future innovations in pharmaceuticals.

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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