Tokyo, Japan

Kouhei Yamada

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Kao Corporation. Active years: 2018-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouhei Yamada. Retrieved from https://idiyas.com/inventor/kouhei-yamada-sd61z0ju

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2018-2019

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2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Kouhei Yamada

Introduction

Kouhei Yamada, based in Sumida-ku, Japan, is a noteworthy inventor in the field of skincare products. With a commendable portfolio of two patents, Yamada has made significant strides in developing effective skin cleansing compositions, reflecting his dedication to innovation in personal care.

Latest Patents

Yamada's most recent patents focus on advanced skin cleansing compositions that combine various effective components. The first patent details a composition comprising components (A) to (G), while the second patent includes components (A) to (E) specifically designed to enhance skin cleansing efficiency. Notable aspects of these compositions include:

- Component (A): Ranges from 0.1 to 25 mass % of an ether oil in a liquid state at 25°C.

- Component (B): Consists of 0.003 to 1 mass % of a water-soluble polymer such as acrylic acid or methacrylic acid.

- Component (C): Includes 1 to 30 mass % of hydrocarbon oil with a viscosity of 15 mPa·s or lower at 30°C.

- Component (D): Comprises 60 to 95 mass % of water.

- Component (E): Contains 0.49 mass % or less of a nonionic surfactant with an HLB greater than 9.

These precise formulations demonstrate Yamada’s innovative thinking and his focus on effective skincare solutions.

Career Highlights

Kouhei Yamada is currently employed at Kao Corporation, a leading company known for its commitment to innovation in consumer goods. His work at Kao demonstrates his ability to integrate scientific principles with practical applications, contributing to the advancement of skincare technology.

Collaborations

Throughout his career, Yamada has collaborated with talented colleagues, including Hitoshi Tajima and Atsushi Tomokuni. These collaborations have fostered a creative environment that allows for the exchange of ideas and concepts, further enhancing the quality and effectiveness of their innovations.

Conclusion

In conclusion, Kouhei Yamada's contributions to the field of skin cleansing compositions through his patents showcase his innovative spirit and dedication to enhancing personal care products. His collaborations and career at Kao Corporation position him as an influencer in skincare technology, reflecting the importance of innovation in addressing 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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