Hiroko Nakatsugawa

This inventor holds 7 USPTO granted patents. Top assignees: Kanebo, Limited, Kanebo Ltd. and T. Hasegawa Co. Ltd., Kao Corporation. Active years: 2002-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroko Nakatsugawa. Retrieved from https://idiyas.com/inventor/hiroko-nakatsugawa

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

USPTO Granted Patents = 7

% Patents Active = 71.4

Average Co-Inventor Count = 4.1

ph-index = 4

Forward Citations = 40(Granted Patents)

Location History:

Kanagawa, JP (2003)
Odawara, JP (2002 - 2004)
Ayase, JP (2006 - 2011)

Company Filing History:

Kanebo Ltd. and T. Hasegawa Co. Ltd.

Years Active: 2002-2011

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7879347 - Dihydroxyphenyl compounds and glucoside compounds thereof (2011-02-01),

2. 7025985 - Dihydroxyphenyl compounds and glucoside compounds thereof (2006-04-11),

3. 6686396 - Noxious-insect repellent (2004-02-03),

4. 6677384 - Noxious-insect repellent (2004-01-13),

5. 6576247 - Sustained-release aromatic and method of detecting micro-organism by using the same (2003-06-10),

6. 6531143 - &agr;-hydroxy fatty acid derivatives and external compositions containing the same (2003-03-11),

7. 6372804 - Noxious-insect repellent (2002-04-16),

Title: Hiroko Nakatsugawa: Innovator in Skin Cosmetic Composition

Introduction

Hiroko Nakatsugawa is a prominent inventor based in Odawara, Japan. She has made significant contributions to the field of skin cosmetics, holding a total of 7 patents. Her innovative work focuses on compounds that have beneficial effects on skin health and obesity.

Latest Patents

Among her latest patents, Nakatsugawa has developed dihydroxyphenyl compounds and glucoside compounds. One of her notable inventions is a skin cosmetic composition that includes a compound represented by a specific formula, where R is hydrogen and R is either hydrogen or a glucose residue. This compound is effective for reforming obese constitution and has properties that suppress or prevent obesity. Additionally, it is recognized for its skin whitening effects.

Career Highlights

Throughout her career, Nakatsugawa has worked with several reputable companies, including Kanebo Limited and T. Hasegawa Co. Ltd. Her experience in these organizations has allowed her to refine her expertise in cosmetic formulations and innovations.

Collaborations

Hiroko Nakatsugawa has collaborated with notable professionals in her field, including Takeshi Ikemoto and Hiroyuki Nishio. These collaborations have contributed to her success and the advancement of her inventions.

Conclusion

Hiroko Nakatsugawa is a trailblazer in the cosmetic industry, with a focus on innovative compounds that enhance skin health and address obesity. Her contributions continue to impact the field 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]