Kanagawa, Japan

Ryuji Nagatani

This inventor holds 1 USPTO granted patent. Top assignees: Fujisawa Pharmaceutical Company, Ltd., Nippon Rensui Co.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuji Nagatani. Retrieved from https://idiyas.com/inventor/ryuji-nagatani

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Ryuji Nagatani: Innovator in Chromatographic Separation Technology

Introduction

Ryuji Nagatani is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of chromatographic separation technology. His innovative approach has led to the development of a unique apparatus that enhances the efficiency of chromatographic processes.

Latest Patents

Ryuji Nagatani holds a patent for a chromatographic separation apparatus. This apparatus features a packed column that includes a packed layer and a retained liquid layer above it. The design incorporates liquid-feed piping connected to a space above the retained liquid layer, along with flow controllers for both liquid discharge and feed. The system is equipped with a liquid-level detecting element at the top of the packed column and multiple interface-detecting elements along its inner wall. These components work together to transmit electric signals to a controller, ensuring precise control over the chromatographic process.

Career Highlights

Throughout his career, Ryuji Nagatani has worked with prominent companies such as Nippon Rensui Co. and Fujisawa Pharmaceutical Company, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in pharmaceutical and chemical engineering.

Collaborations

Ryuji has collaborated with talented individuals in his field, including Soichiro Ide and Akihiko Moro. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Ryuji Nagatani's contributions to chromatographic separation technology exemplify his dedication to innovation. His patent and career achievements reflect his expertise and commitment to advancing the field.

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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