Naonori Shiina

Title: Naonori Shiina: Innovator in Thermoplastic Resin Foam Technology

Introduction

Naonori Shiina is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of thermoplastic resin foams. With a total of 6 patents to his name, Shiina's work has advanced the understanding and application of these materials in various industries.

Latest Patents

Among his latest patents, Shiina has developed a cross-linked polyvinyl chloride resin foam and a method of manufacturing it. This innovative method involves creating a tough board of thermoplastic resin foam that features skin layers on both surfaces. The board is designed with large cells elongated in the thickness direction, and it includes an intermediate high-density layer that is thicker than 0.1mm, positioned substantially halfway between the upper and lower surfaces. The manufacturing process entails extruding thermoplastic resin containing a dissolved foaming agent as a sheet, rapidly cooling the upper and lower surfaces to form solid skin layers, and then allowing controlled expansion while cooling.

Career Highlights

Shiina's career is marked by his dedication to research and development in the field of thermoplastic materials. His innovative approaches have led to advancements that enhance the performance and durability of resin foams, making them suitable for a variety of applications.

Collaborations

Throughout his career, Naonori Shiina has collaborated with notable colleagues, including Akio Nojiri and Hideyo Ueno. These partnerships have fostered a creative environment that has contributed to the success of his projects.

Conclusion

Naonori Shiina's contributions to the field of thermoplastic resin foam technology exemplify his commitment to innovation. His patents and collaborative efforts continue to influence the industry, showcasing the importance of research and development in material science.