Kawagoe, Japan

Nobuaki Minamii

This inventor holds 1 USPTO granted patent. Top assignee: Wako Pure Chemical Industries, Inc.. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuaki Minamii. Retrieved from https://idiyas.com/inventor/nobuaki-minamii

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 = 5.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Nobuaki Minamii: Innovator in Unsymmetrical Azonitriles

Introduction

Nobuaki Minamii is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of chemistry, particularly in the development of unsymmetrical azonitriles. His work has implications for polymerization processes, showcasing the importance of innovation in chemical engineering.

Latest Patents

Minamii holds a patent for unsymmetrical azonitriles, which are characterized by the formula wherein R¹, R², R³, and R⁴ are independently straight- or branched-chain alkyl groups. These groups can have between 1 to 7 carbon atoms or alkoxy substituted straight- or branched-chain alkyl groups with 2 to 11 carbon atoms. Importantly, at least one of R¹ and R², as well as one of R³ and R⁴, must differ. This unique structure provides good efficiency as an initiator for the polymerizations or copolymerizations of vinyl monomers. The unsymmetrical azonitriles can be synthesized by oxidizing a corresponding unsymmetrical hydrazo compound. Minamii has 1 patent to his name.

Career Highlights

Nobuaki Minamii is associated with Wako Pure Chemical Industries, Inc., where he applies his expertise in chemical innovations. His work has contributed to advancements in the field, particularly in the synthesis of compounds that enhance polymerization processes.

Collaborations

Throughout his career, Minamii has collaborated with esteemed colleagues such as Joji Nagaoka and Kazuhiko Yamashita. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Nobuaki Minamii stands out as an influential inventor in the realm of unsymmetrical azonitriles. His contributions to chemical engineering and polymerization processes highlight the importance of innovation in advancing technology.

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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