Utsunomiya, Japan

Toshihiro Shirose

This inventor holds 1 USPTO granted patent. Top assignee: Kao Corporation. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiro Shirose. Retrieved from https://idiyas.com/inventor/toshihiro-shirose-d2wguz4f

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 = 2.0

ph-index = 1

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: The Innovations of Toshihiro Shirose

Introduction

Toshihiro Shirose is a notable inventor based in Utsunomiya, Japan. He has made significant contributions to the field of personal care products, particularly with his innovative designs in sanitary napkins. His work reflects a commitment to improving everyday products for consumers.

Latest Patents

One of Toshihiro Shirose's key patents is for a sanitary napkin. This invention comprises a liquid-permeable surface material, a liquid-impermeable leakproof material, and an absorber inserted between these two layers. The absorber consists of a first absorbent paper, a second absorbent paper, and an absorbent material placed between both papers. The first absorbent paper covers at least a part of the second absorbent paper and is fixed onto the leakproof material. This design enhances the functionality and comfort of sanitary napkins.

Career Highlights

Toshihiro Shirose is associated with Kao Corporation, a leading company in the personal care and hygiene industry. His work at Kao Corporation has allowed him to focus on developing innovative solutions that meet consumer needs. His dedication to research and development has positioned him as a valuable asset to the company.

Collaborations

Toshihiro Shirose has collaborated with Akira Sakurai, a fellow innovator in the field. Their partnership has fostered a creative environment that encourages the development of new ideas and products.

Conclusion

Toshihiro Shirose's contributions to the field of sanitary products demonstrate his innovative spirit and commitment to enhancing consumer experiences. His patent for a sanitary napkin showcases his ability to combine functionality with comfort. Through his work at Kao Corporation, he continues to make a positive impact in the industry.

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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