Hirokazu Ohmura

Title: Hirokazu Ohmura: Innovator in Urethane Foam Technology

Introduction

Hirokazu Ohmura is a notable inventor based in Niiza, Japan. He has made significant contributions to the field of materials science, particularly in the production of urethane foam. His innovative approach has led to advancements that enhance the properties of urethane foam, making it more versatile for various applications.

Latest Patents

Hirokazu Ohmura holds a patent for a process titled "Process for producing urethane foam with high density skin." This patent describes a method for creating urethane foam that features a high-density outer surface layer. The process involves pouring a plastic liquid containing aromatic isocyanates, polyols, a catalyst, low-molecular polyols, a blowing agent, and an assistant into a closed mold using a one-shot molding technique. A specific 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 foam's surface. The catalyst can include piperazine compounds, morpholine compounds, or mixtures thereof, along with other compounds to enhance the reaction.

Career Highlights

Hirokazu Ohmura is currently associated with Tokyo Seat Co., Ltd., where he applies his expertise in urethane foam technology. His work has been instrumental in developing products that require high-performance materials. His innovative techniques have positioned him as a key figure in the industry.

Collaborations

Hirokazu Ohmura has collaborated with Kimio Yoshimura, contributing to the advancement of urethane foam technologies. Their partnership has fostered innovation and has led to the development of new applications for urethane foam.

Conclusion

Hirokazu Ohmura's contributions to urethane foam technology exemplify the impact of innovation in materials science. His patented process for producing high-density urethane foam showcases his commitment to advancing the field. His work continues to influence the industry and inspire future innovations.