Location History:
- Okayama, JP (2018 - 2020)
- Houston, TX (US) (2020 - 2023)
- Kurashiki, JP (2010 - 2024)
Company Filing History:
24 out of 1,868 
2 out of 9 
1 out of 16 
Years Active: 2010-2024
Title: The Innovations of Keisuke Morikawa: A Pioneer in Polymer Science
Introduction
Keisuke Morikawa, based in Kurashiki, Japan, is a prominent inventor with a remarkable portfolio of 25 patents. His contributions to the field of polymer science, particularly in the development of advanced copolymers and compositions, have marked significant advancements in various industrial applications.
Latest Patents
Morikawa’s latest innovations include two noteworthy patents. The first patent involves an ethylene-vinyl alcohol copolymer, which is defined by an ethylene unit content of 1 mol % or more and less than 20 mol %. This copolymer exhibits a viscosity-average polymerization degree ranging from 200 to 5000 and a saponification degree of 80 to 99.7 mol %. Its unique block structure of ethylene units, ranging from 0.90 to 0.99, grants it exceptional high-speed coating ability and water-resistant adhesiveness, making it particularly effective as an adhesive.
The second patent is focused on polyvinyl alcohol compositions that feature improved particle size distribution. These compositions are designed for use in manufacturing chemical materials and in various industrial operations, including treatments applied to subterranean formations in oil and gas wells. The process entails granulating polyvinyl alcohol polymers and mixing the granules to achieve the desired particle size distribution.
Career Highlights
Throughout his career, Morikawa has worked with well-known companies, including Kuraray Co., Ltd. and Fuji Silysia Chemical Ltd. His work has played a pivotal role in the advancement of polymer chemistry, positioning him as a key figure in this area of research.
Collaborations
Morikawa's contributions are not solitary endeavors; he has collaborated with fellow researchers such as Ghebrehiwet Ghebremeskel and Tatsuya Tanida. Together, they have propelled innovations in polymer technology, further enhancing the scope of applications available in the industry.
Conclusion
Keisuke Morikawa’s extensive work and groundbreaking patents underscore his significant impact on polymer science. His innovations not only advance the field but also pave the way for future developments in various industrial applications. Morikawa’s dedication to research exemplifies the spirit of innovation, inspiring future inventors and researchers worldwide.