Kakegawa, Japan

Ritsuko Sakai

This inventor holds 1 USPTO granted patent. Top assignee: Unicharm Corporation. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ritsuko Sakai. Retrieved from https://idiyas.com/inventor/ritsuko-sakai-az0prslj

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 133(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Ritsuko Sakai - Innovator in Disposable Garments

Introduction

Ritsuko Sakai is a notable inventor based in Kakegawa, Japan. He has made significant contributions to the field of disposable garments, particularly with his innovative designs that enhance functionality and ease of use.

Latest Patents

Ritsuko Sakai holds a patent for a disposable garment of pants type. This invention is designed to provide a simple construction and easy production process. The garment features leg-hole surrounding flaps and waist-hole surrounding flaps that cooperate to form a pair of leg-holes. Additionally, shoulder straps can be easily prepared by making a slit that extends longitudinally on each waist-hole surrounding flap. This design is particularly useful for disposable diapers of pants type.

Career Highlights

Ritsuko Sakai is currently employed at Unicharm Corporation, a leading company in the disposable hygiene products industry. His work focuses on developing innovative solutions that meet consumer needs while maintaining efficiency in production.

Collaborations

Ritsuko collaborates with talented coworkers, including Takeshi Kudo and Rumi Yamaki, who contribute to the creative process and development of new products.

Conclusion

Ritsuko Sakai's contributions to the field of disposable garments demonstrate his commitment to innovation and practicality. His patent for a disposable garment of pants type showcases his ability to create functional solutions that benefit consumers.

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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