Company Filing History:
Years Active: 2013-2019
Title: Yoko Shirai: Innovator in Water Absorbent Resin Technology
Introduction
Yoko Shirai is a prominent inventor based in Himeji, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of water absorbent polyacrylic acid resin powders. With a total of 4 patents to his name, Shirai's work has garnered attention for its innovative approaches to improving material properties.
Latest Patents
Shirai's latest patents focus on a method for producing water absorbent polyacrylic acid (salt) resin powder. The objective of this invention is to enhance the permeability potential (SFC) while maintaining a high water absorbing rate (FSR). The method involves several key steps: first, polymerizing an acrylic acid (salt) monomer aqueous solution; second, performing gel grinding on the hydrogel crosslinked polymer obtained from the polymerization; third, drying the particulate hydrogel crosslinked polymer; and finally, conducting a surface treatment on the dried polymer. This innovative process aims to optimize the performance of water absorbent materials.
Career Highlights
Yoko Shirai is currently employed at Nippon Shokubai Co., Ltd., a leading company in the chemical industry. His work at the company has allowed him to focus on advancing polymer technologies and contributing to the development of new materials that have practical applications in various industries.
Collaborations
Shirai collaborates with talented coworkers, including Sayaka Machida and Kazushi Torii. Their combined expertise fosters a creative environment that drives innovation and enhances the quality of their research and development efforts.
Conclusion
Yoko Shirai's contributions to the field of water absorbent resin technology exemplify the impact of innovative thinking in material science. His patents reflect a commitment to improving product performance and addressing industry needs. Through his work at Nippon Shokubai Co., Ltd., Shirai continues to push the boundaries of polymer chemistry.