Yao, Japan

Yojirou Kumagae

This inventor holds 1 USPTO granted patent. Top assignees: Mitsui Chemicals, Inc., Yamamoto Chemicals, Inc.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yojirou Kumagae. Retrieved from https://idiyas.com/inventor/yojirou-kumagae

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 = 9.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Yojirou Kumagae: Innovator in Benzotriazole Compounds

Introduction

Yojirou Kumagae is a notable inventor based in Yao, Japan. He has made significant contributions to the field of chemistry, particularly in the development of benzotriazole compounds. His innovative work has led to the creation of a patent that showcases his expertise and creativity.

Latest Patents

Kumagae holds a patent for a benzotriazole compound, light absorber, and resin composition. This patent provides a benzotriazole compound represented by Formula (1). In this formula, R represents substituents, while n1 and n2 are integers that range from 0 to 4 and 0 to 3, respectively. This invention highlights his ability to create effective light-absorbing materials.

Career Highlights

Throughout his career, Yojirou Kumagae has worked with prominent companies in the chemical industry. He has been associated with Mitsui Chemicals, Inc. and Yamamoto Chemicals, Inc. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his skills in chemical innovation.

Collaborations

Kumagae has collaborated with various professionals in his field, including Shinsuke Ito. These partnerships have enabled him to enhance his research and development efforts, leading to successful innovations.

Conclusion

Yojirou Kumagae is a distinguished inventor whose work in benzotriazole compounds has made a significant impact in the field of chemistry. His contributions through patents and collaborations reflect his dedication to innovation and excellence.

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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