Kimio Yoshimura

Title: Kimio Yoshimura: Innovator in Urethane Foam Technology

Introduction

Kimio Yoshimura is a notable inventor based in Urawa, Japan. He has made significant contributions to the field of urethane foam technology, holding a total of 3 patents. His innovative approaches have led to advancements in the production processes of urethane foam articles.

Latest Patents

Yoshimura's latest patents include a process for producing urethane foam with a high-density skin. This process involves pouring a plastic liquid containing aromatic isocyanates, polyols, a catalyst, and a blowing agent into a closed mold through a one-shot molding process. A specific type of catalyst is added to create a difference in gas-evolving reactions between the inner and outer parts of the plastic liquid, resulting in a high-density layer on the outer surface of the urethane foam. The catalyst may include piperazine or morpholine compounds, along with other compounds to enhance the reaction.

Another significant patent is a method of preparing urethane foam articles that also features a high-density outer surface layer. Similar to the previous patent, this method utilizes a one-shot molding process and a specific catalyst to achieve the desired density difference in the foam article.

Career Highlights

Throughout his career, Kimio Yoshimura has worked with several companies, including Tokyo Sheet Co., Ltd. and Tokyo Seat Co., Ltd. His experience in these organizations has allowed him to refine his expertise in urethane foam technology and contribute to various innovative projects.

Collaborations

Yoshimura has collaborated with notable individuals in his field, including his coworker Hirokazu Ohmura. Their joint efforts have further advanced the development of urethane foam technologies.

Conclusion

Kimio Yoshimura's contributions to urethane foam technology through his patents and career experiences highlight his role as an influential inventor. His innovative methods continue to impact the industry positively.