Yokohama, Japan

Shigenari Hirokawa

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent and 1 EPO patent. Top assignee: Pola Chemical Industries, Inc.. Active years: 2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigenari Hirokawa. Retrieved from https://idiyas.com/inventor/shigenari-hirokawa-33ui5vt1

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

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Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2010

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1 patent (USPTO):Explore Patents

Title: Shigenari Hirokawa: Innovator in Skin Care Applications

Introduction

Shigenari Hirokawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of skin care through his innovative research and development. His work focuses on enhancing the efficacy of triterpenic acid derivatives for external applications.

Latest Patents

Hirokawa holds a patent for a "Triterpenic acid derivative and preparation for external application for skin comprising the same." This invention involves a triterpenic acid that has hydroxyl groups, where at least one of the hydroxyl groups is phosphorylated. This process improves the solubility of the triterpenic acid in skin applications, allowing for better physiological activity. The phosphorylated triterpenic acid is preferably ursolic acid phosphate or a salt thereof. The resulting preparation is particularly effective as a cosmetic or quasi-drug.

Career Highlights

Hirokawa is associated with Pola Chemical Industries, Inc., where he continues to innovate in the field of cosmetic chemistry. His work has led to advancements that benefit both the cosmetic industry and consumers seeking effective skin care solutions.

Collaborations

Hirokawa has collaborated with notable colleagues such as Michio Ochiai and Kenichi Goto. These partnerships have fostered a creative environment that encourages the development of groundbreaking products.

Conclusion

Shigenari Hirokawa's contributions to skin care through his patented innovations demonstrate his commitment to enhancing cosmetic formulations. His work continues to influence the industry positively.

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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