Chiisagata, Japan

Hirohusa Shirai

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohusa Shirai. Retrieved from https://idiyas.com/inventor/hirohusa-shirai

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 = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:

goldMedal1 out of 834,570 
Other
 patents

Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Hirohusa Shirai: Innovator in Deodorant Bedding

Introduction

Hirohusa Shirai is a notable inventor based in Chiisagata, Japan. He has made significant contributions to the field of bedding technology, particularly with his innovative approach to deodorization.

Latest Patents

Shirai holds a patent for a unique product known as deodorant bedding. This invention comprises wadding that contains a first fiber retaining a metal complex with oxidation-reduction power and a second fiber retaining a metal ion. The design allows foul-smelling substances to be oxidized by the metal complex, which are then adsorbed through a metal ion complex exchange reaction, effectively deodorizing the bedding.

Career Highlights

Throughout his career, Shirai has focused on developing practical solutions to everyday problems. His work in creating deodorant bedding showcases his commitment to enhancing comfort and hygiene in personal spaces.

Collaborations

Shirai has collaborated with notable coworkers, including Kaoru Hasebe and Kouichi Hukamachi. Their combined expertise has contributed to the successful development of innovative products in the bedding industry.

Conclusion

Hirohusa Shirai's contributions to deodorant bedding highlight his inventive spirit and dedication to improving everyday life. His patent reflects a significant advancement in the field, showcasing the potential for innovation in household products.

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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