Tokyo, Japan

Kazuhiro Umezu

This inventor holds 1 USPTO granted patent. Top assignee: Unihair Co., Ltd.. Active years: 2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiro Umezu. Retrieved from https://idiyas.com/inventor/kazuhiro-umezu-h8rin6wk

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2014

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1 patent (USPTO):Explore Patents

Title: Kazuhiro Umezu - Innovator in Wig Technology

Introduction

Kazuhiro Umezu is a notable inventor based in Shinjuku-ku, Japan. He has made significant contributions to the field of wig technology, particularly with his innovative designs that enhance the functionality and usability of wigs. His work is characterized by a focus on practical solutions that address common issues faced by wig users.

Latest Patents

Umezu holds a patent for a "Clip for Wig," which is designed to prevent warping of a wig base. This innovative clip features a frame-like reversible member and a plurality of comb teeth attached to it. The reversible member is constructed with a U-shaped frame material that has leg portions protruding from both ends of a support portion. The comb teeth are fixed at the end portion of the support, and the outer shape of the support is designed to follow the curvature of the wig base. This design allows the clip to be securely fixed to the reverse side of the wig base, ensuring stability and comfort for the wearer.

Career Highlights

Kazuhiro Umezu has dedicated his career to developing practical solutions in the wig industry. His innovative approach has led to the creation of products that improve the overall experience for wig users. His patent for the clip demonstrates his commitment to addressing the needs of consumers and enhancing the functionality of wig products.

Collaborations

Umezu has worked alongside talented colleagues, including Yoshimi Sasaki and Tetsuhiro Matsuda. Their collaborative efforts have contributed to the advancement of wig technology and the development of innovative solutions in the industry.

Conclusion

Kazuhiro Umezu is a pioneering inventor whose work in wig technology has made a significant impact. His patented clip for wigs exemplifies his dedication to innovation and improving user experience. Umezu's contributions continue to shape the future of wig design and functionality.

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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