Yokohama, Japan

Tomoko Sato

This inventor holds 6 USPTO granted patents and 2 published patent applications and 4 EPO patents. Top assignees: Shiseido Company, Limited, Sony Corporation, Asahi Glass Company, Limited. Active years: 1990-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoko Sato. Retrieved from https://idiyas.com/inventor/tomoko-sato-mx8xbceg

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

USPTO Granted Patents = 6 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.6

ph-index = 3

Forward Citations = 34(Granted Patents)


Location History:

  • Kanagawa, JP (1990 - 1991)
  • Yokohama, JP (2003 - 2019)

Company Filing History:


Years Active: 1990-2019

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6 patents (USPTO):Explore Patents

Title: **Innovations by Tomoko Sato: A Pioneer in Cosmetic Formulations**

Introduction

Tomoko Sato, an esteemed inventor based in Yokohama, Japan, has made significant contributions to the field of cosmetic formulations. With a total of four patents to her name, Sato has developed innovative solutions that enhance the stability and application of cosmetic products. Her work exemplifies the interplay between scientific research and practical application in the cosmetics industry.

Latest Patents

Tomoko Sato's latest patents showcase her expertise in creating advanced cosmetic compositions. One notable invention is a **water-in-oil emulsion cosmetic composition**. This formulation is characterized by low viscosity and exceptional stability, which allows it to include polar oils efficiently. It comprises an organically modified clay mineral, hydrophobic silica, a silicone-type surfactant, a non-polar hydrocarbon oil, and a water phase component, all carefully balanced to achieve a viscosity range of 1000 to 10000 mPa·s at 30°C.

In addition to this, she developed a **corona-core microgel emulsifying agent** and an oil-in-water emulsified composition. The emulsifying agent is composed of a copolymer synthesized from polyethylene oxide macromonomers, hydrophobic monomers, and cross-linking monomers under specific conditions. This invention aims to provide enhanced emulsification stability, reduced skin irritation, and a pleasant application experience, free of stickiness and powdery sensations.

Career Highlights

Throughout her career, Tomoko Sato has collaborated with notable companies, including Shiseido Company, Limited, and Asahi Glass Company, Limited. Her work has not only advanced cosmetic formulations but also contributed to the growing demand for innovative and consumer-friendly products in the market.

Collaborations

Sato has worked alongside talented colleagues such as Yuki Sugiyama and Ken Shoji. These collaborations have allowed her to integrate diverse perspectives and expertise, further enriching her contributions to the field of cosmetic science.

Conclusion

Tomoko Sato stands out as a remarkable inventor whose work continues to influence the cosmetics industry. With her innovative formulations and collaborative approach, she sets a precedent for future advancements in cosmetic technology. Her patents not only demonstrate her commitment to enhancing user experience but also reflect the importance of continual innovation in meeting consumer needs.

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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