Yokohama, Japan

Kazuho Koiwa

This inventor holds 1 USPTO granted patent and 1 published patent application and 2 EPO patents. Top assignee: Shiseido Company, Limited. Active years: 2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuho Koiwa. Retrieved from https://idiyas.com/inventor/kazuho-koiwa

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

 

Average Co-Inventor Count = 6.0

ph-index = 1


Company Filing History:


Years Active: 2014

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1 patent (USPTO):Explore Patents

Title: Kazuho Koiwa: Innovator in Oil-in-Water Emulsion Technology

Introduction

Kazuho Koiwa is a notable inventor based in Yokohama, Japan. She has made significant contributions to the field of emulsion technology, particularly in the development of oil-in-water emulsions. Her innovative work has led to advancements that enhance product stability and user experience.

Latest Patents

Koiwa holds a patent for an oil-in-water emulsion composition and method for producing the same. This invention provides an oil-in-water emulsion composition that boasts excellent emulsion stability, a low sticky feeling, and minimal skin irritation. The composition includes a powder component, a cationic surfactant, an oil phase component, and a water phase component, with a unique structure where powder particles are adsorbed on the oil droplets dispersed in the water phase.

Career Highlights

Kazuho Koiwa is associated with Shiseido Company, Limited, where she applies her expertise in emulsion technology. Her work at Shiseido has allowed her to contribute to the development of innovative cosmetic products that meet consumer needs.

Collaborations

Koiwa has collaborated with notable colleagues, including Akira Ishikubo and Yuji Matsushita. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Kazuho Koiwa's contributions to oil-in-water emulsion technology exemplify her innovative spirit and dedication to improving product formulations. Her work continues to influence the cosmetic industry, enhancing the quality and performance of various products.

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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