Saitama, Japan

Yoshio Yamaoka

This inventor holds 2 USPTO granted patents. Top assignees: Real Chemical Co., Ltd., Yugen Kaisha Kusaki Kobo, Other. Active years: 2003-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Yamaoka. Retrieved from https://idiyas.com/inventor/yoshio-yamaoka

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


% Patents Active = 50.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:

goldMedal1 out of 1 
 
Real Chemical Co., Ltd.
 patent
silverMedal1 out of 1 
 
Yugen Kaisha Kusaki Kobo
 patent
bronzeMedal1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 2003-2005

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2 patents (USPTO):Explore Patents

Title: Innovations in Hair Dyeing by Yoshio Yamaoka

Introduction

Yoshio Yamaoka is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of hair dyeing, holding a total of 2 patents. His innovative approaches have paved the way for new methods in hair care and dye application.

Latest Patents

Yoshio Yamaoka's latest patents focus on hair dye and hair-dyeing methods. The hair dye comprises essential ingredients, including a formulation primarily composed of a dye component derived from indican found in indigo plants. Additionally, it includes a formulation primarily composed of a β-glucosidase enzyme component. The process involves mordanting the hair with a dye mordant, such as aluminum or iron, before applying the prepared hair dye. This dye can be applied directly or as a mixture with water. After the dyeing process, the hair is rinsed with water and dried, resulting in a vibrant color.

Career Highlights

Throughout his career, Yoshio Yamaoka has worked with various companies, including Real Chemical Co., Ltd. His work has significantly impacted the hair care industry, particularly in developing effective and innovative hair dyeing techniques.

Collaborations

Yoshio has collaborated with notable individuals in his field, including Kazumi Taguchi and Kazumaro Furuse. These collaborations have contributed to the advancement of hair dye technology and methods.

Conclusion

Yoshio Yamaoka's contributions to hair dyeing innovations demonstrate his expertise and commitment to improving hair care solutions. His patents reflect a blend of traditional and modern techniques, showcasing the potential for further advancements in this area.

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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