Company Filing History:
2 out of 47 
2 out of 36,713 
Years Active: 1995
Title: Masao Sakaizawa: Innovator in Resin Composition Technology
Introduction
Masao Sakaizawa is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of resin compositions, particularly in enhancing paint coatability. With a total of 2 patents to his name, Sakaizawa's work reflects a deep understanding of polymer chemistry and its applications.
Latest Patents
Sakaizawa's latest patents focus on a resin composition that exhibits excellent paint coatability. This composition includes (a) 50-80 weight % of a multi-stage polymerized propylene-ethylene block copolymer, which consists of a propylene homopolymer portion, a propylene-ethylene random copolymer portion, and an ethylene homopolymer portion. Additionally, it contains (b) 20-40 weight % of an ethylene-α-olefin copolymer elastomer, and (c) 20 weight % or less of an inorganic filler. The components in (a) and (b) are soluble in p-xylene at room temperature, with a number-average molecular weight of 4×10^4 or more and a weight-average molecular weight of 20×10^4 or more.
Career Highlights
Throughout his career, Sakaizawa has worked with prominent companies such as Tonen Chemical Corporation and Toyota Motor Corporation. His experience in these organizations has allowed him to refine his expertise in polymer technology and contribute to innovative solutions in the industry.
Collaborations
Some of Sakaizawa's notable coworkers include Yoshiharu Saito and Kunio Iwanami. Their collaborative efforts have likely played a role in advancing the research and development of resin compositions.
Conclusion
Masao Sakaizawa's contributions to resin composition technology highlight his innovative spirit and dedication to improving material properties. His patents serve as a testament to his expertise and the impact of his work in the field.