Chiba, Japan

Masako Nakagawa

This inventor holds 2 USPTO granted patents, plus 2 CIPO patents and 1 EPO patent. Top assignee: Lead Chemical Company, Limited. Active years: 2002-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masako Nakagawa. Retrieved from https://idiyas.com/inventor/masako-nakagawa

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 = 5.3

ph-index = 1


Company Filing History:


Years Active: 2002-2008

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2 patents (USPTO):Explore Patents

Title: Masako Nakagawa: Innovator in Ultraviolet Protection Compounds

Introduction

Masako Nakagawa is an accomplished inventor based in Chiba, Japan, recognized for her significant contributions to the field of chemistry. With a total of two patents to her name, Nakagawa focuses on innovations that enhance the safety and effectiveness of materials used in daily life.

Latest Patents

One of her prominent patents is for a compound that acts as a protection agent against ultraviolet rays. This ultraviolet ray protection agent contains a compound with an ultraviolet ray protection effect as an active ingredient. The compound is articulated through a specific general formula, where parameters such as X, Y’, and Z define various substituents creating a versatile safety profile. The agent she developed not only showcases remarkable effectiveness in blocking harmful ultraviolet rays but also prioritizes safety for users. Additionally, Nakagawa holds a patent for stereoisomeric indole compounds, along with the processes for their preparation and their applications.

Career Highlights

Masako Nakagawa has established her career at the Lead Chemical Company Limited, where her focus on innovative chemical solutions underscores her dedication to protecting public health and enhancing product performance through rigorous research and development.

Collaborations

Throughout her career, Nakagawa has collaborated with esteemed colleagues, notably Masao Mori and Haruo Saito. Their collective expertise in the field has contributed significantly to the advancement of safety materials used in various applications.

Conclusion

Masako Nakagawa stands out as a forward-thinking inventor whose work in ultraviolet ray protection compounds paves the way for safer consumer products. Her dedication to innovation and collaboration plays a crucial role in fostering advancements that protect individuals from harmful environmental factors.

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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