Tokyo, Japan

Naritsugu Kumai

This inventor holds 1 USPTO granted patent and 2 EPO patents. Top assignees: International Center for Environmental Technology Transfer, Jsr Corporation. Active years: 2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naritsugu Kumai. Retrieved from https://idiyas.com/inventor/naritsugu-kumai

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 = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2009

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1 patent (USPTO):Explore Patents

Title: Naritsugu Kumai: Innovator in Polymer Solution Desolvation

Introduction

Naritsugu Kumai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of polymer technology, particularly through his innovative methods for solvent removal in polymer solutions. His work has implications for various industries that rely on polymer applications.

Latest Patents

Kumai holds a patent for a "Method for desolvation of polymer solution." The objective of this invention is to provide an efficient desolvation method for removing solvents from polymer solutions. The method involves steam stripping using a specialized apparatus that connects the gas phase and liquid phase portions of a desolvation tank. By controlling the pressure difference between these phases, the method enhances the efficiency of solvent removal.

Career Highlights

Throughout his career, Naritsugu Kumai has worked with prominent organizations, including JSR Corporation and the International Center for Environmental Technology Transfer. His experience in these companies has allowed him to develop and refine his innovative techniques in polymer processing.

Collaborations

Kumai has collaborated with notable colleagues such as Nobuaki Katayama and Katsunori Ishii. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.

Conclusion

Naritsugu Kumai's contributions to the field of polymer technology through his innovative desolvation method highlight his role as a significant inventor. His work continues to influence the industry and pave the way for future advancements in polymer applications.

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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