Company Filing History:
1 out of 1,357 
1 out of 3,871 
1 out of 204 
Years Active: 1999-2005
Title: Hajime Yasuda: Innovator in Methacrylic Polymers
Introduction
Hajime Yasuda is a prominent inventor based in Higashihiroshima, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of methacrylic polymers. With a total of three patents to his name, Yasuda's work has advanced the understanding and application of high-molecular-weight polymers.
Latest Patents
Yasuda's latest patents include a "Sterically regulated methacrylic polymer and process for producing the same." This invention provides a high-molecular-weight, sterically regulated methacrylic polymer characterized by high stereoregularity and a narrow distribution of molecular weights. The polymer comprises methacrylates as units containing triphenyl amino groups in side chains. The sterically regulated methacrylic polymer consists of 50 to 100 mol-% units based on methacrylate, with a number-average molecular weight ranging from 5,000 to 2,000,000 and a poly dispersity coefficient of 1 to 1.5. Additionally, the syndiotacticity of the methacrylic polymer is 70% or more in 2-units expression. Another notable patent is the "Method for copolymerization and resulting copolymers," which outlines a method for preparing block copolymers using an organolanthanide catalyst.
Career Highlights
Throughout his career, Yasuda has worked with notable companies such as Mitsubishi Rayon Company, Limited and Nitto Denko Corporation. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in polymer technology.
Collaborations
Yasuda has collaborated with esteemed colleagues, including Eiji Ihara and Akira Yanagase. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in the field of polymer science.
Conclusion
Hajime Yasuda's contributions to the field of methacrylic polymers have established him as a key figure in polymer chemistry. His innovative patents and collaborations reflect his commitment to advancing the science of polymers. His work continues to influence the industry and inspire future innovations.