Yokohama, Japan

Hirokazu Kouzuki

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Shiseido Company, Limited. Active years: 2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Kouzuki. Retrieved from https://idiyas.com/inventor/hirokazu-kouzuki

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 = 7.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2007

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1 patent (USPTO):Explore Patents

Title: Hirokazu Kouzuki: Innovator in Cosmetic Technology

Introduction: Hirokazu Kouzuki is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of cosmetics, particularly in developing formulations that alleviate skin irritation. His innovative approach combines various ingredients to enhance the effectiveness and safety of cosmetic products.

Latest Patents: Hirokazu Kouzuki holds 1 patent related to cosmetics. His patent focuses on a cosmetic formulation that alleviates skin irritation by incorporating polypropylene glycol, a specific polar oil, or polybutylene glycol, along with an ultraviolet absorbent. This invention not only addresses skin irritation caused by ultraviolet absorbents and lipophilic drugs but also allows for the blending of these components in cosmetics without compromising their effectiveness. The result is a safe sunblock cosmetic that provides superior ultraviolet protection without being absorbed through the skin.

Career Highlights: Kouzuki is associated with Shiseido Company, Limited, a leading name in the cosmetics industry. His work has contributed to the advancement of cosmetic formulations that prioritize skin health and safety. His innovative solutions have positioned him as a key figure in cosmetic technology.

Collaborations: Throughout his career, Kouzuki has collaborated with talented professionals in the field, including Morihiro Hirota and Tomoyuki Inaba. These collaborations have fostered a creative environment that encourages the development of groundbreaking cosmetic products.

Conclusion: Hirokazu Kouzuki's contributions to cosmetic technology exemplify the importance of innovation in enhancing product safety and effectiveness. His work continues to influence the industry, paving the way for future advancements in cosmetic formulations.

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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