This inventor holds 4 USPTO granted patents and 2 published patent applications and 3 EPO patents. Top assignee: Unicharm Corporation. Active years: 2013-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2013-2015
Title: Tsutomu Shirai: Innovator in Absorbent Technology
Introduction
Tsutomu Shirai is a notable inventor based in Kanonji, Japan. He has made significant contributions to the field of absorbent articles, holding a total of 4 patents. His work focuses on enhancing the performance and design of absorbent materials, which are essential in various applications.
Latest Patents
One of his latest patents is for an absorbent article designed to resist twisting and flattening. This invention boasts superior fluid absorption rates, fluid diffusibility, and retention volume. The absorbent article consists of a top sheet, a back sheet, and an absorbent body that includes a bulky absorbent sheet with heat-expanding particles. These particles are dispersed within the sheet and expanded through heat, improving the overall functionality of the product.
Another significant patent involves a process for producing bulky paper with a concavo-convex pattern. This process entails creating a wet mixed sheet with varying basis weights from a fiber starting material and heat-expanding particles. By heating the sheet, the particles expand, forming a unique concavo-convex pattern that allows for creative design possibilities in bulky papers.
Career Highlights
Tsutomu Shirai is currently associated with Unicharm Corporation, a leading company in the absorbent products industry. His innovative work has positioned him as a key figure in the development of advanced absorbent technologies.
Collaborations
Throughout his career, Tsutomu has collaborated with notable colleagues, including Satoshi Nozaki and Toshiyuki Tanio. These partnerships have contributed to the advancement of his projects and the overall success of their innovations.
Conclusion
Tsutomu Shirai's contributions to absorbent technology reflect his dedication to innovation and improvement in product design. His patents and collaborations continue to influence the industry, showcasing the importance of research and development in creating effective absorbent solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile