This inventor holds 2 USPTO granted patents. Top assignees: Seitetsu Kagaku Co., Ltd., Sumitomo Seika Chemicals Co., Ltd.. Active years: 1988-1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:


Years Active: 1988-1993
Title: Yasuhiro Shimada: Innovator in Water-Absorbent Resin Technology
Introduction
Yasuhiro Shimada is a notable inventor based in Himeji, Japan. He has made significant contributions to the field of water-absorbent resin technology, holding a total of 2 patents. His innovative approaches have advanced the production processes of these materials, which are essential in various applications.
Latest Patents
Shimada's latest patents include a process for the production of water-absorbent resin. This improved method utilizes reversed phase suspension polymerization of a water-soluble ethylenic unsaturated monomer. The process involves subjecting an aqueous solution of the monomer to a polymerization reaction in a petroleum hydrocarbon solvent, using a surfactant and/or polymeric protective colloid. Additionally, he has developed a process for granulating a water-absorbent resin, which ensures an appropriate particle size and narrow particle size distribution by incorporating a powdered inorganic material during the process.
Career Highlights
Throughout his career, Yasuhiro Shimada has worked with prominent companies such as Sumitomo Seika Chemicals Co., Ltd. and Seitetsu Kagaku Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and resin production.
Collaborations
Shimada has collaborated with notable colleagues, including Morio Nakamura and Takushi Yamamoto. These partnerships have contributed to the development of innovative solutions in the field of water-absorbent materials.
Conclusion
Yasuhiro Shimada's contributions to water-absorbent resin technology highlight his role as an influential inventor. His patents and career achievements reflect his dedication to advancing this important field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile