Toshihiko Soyama

Title: Innovations of Toshihiko Soyama

Introduction

Toshihiko Soyama is a notable inventor based in Nagaoka, Japan. He has made significant contributions to the field of electromagnetic wave shielding technology. With a total of 12 patents to his name, Soyama's work focuses on enhancing the effectiveness and cost-efficiency of electromagnetic wave shielding materials.

Latest Patents

Soyama's latest patents include a method for manufacturing an electromagnetic wave shield sheet and a method for producing a carbon nanotube aqueous dispersion. The electromagnetic wave shield sheet manufacturing method allows for the production of a shielding sheet that possesses high shielding properties against electromagnetic waves while being cost-effective. This method involves preparing a dispersion containing carbon nanotubes, an inorganic pigment, sodium carboxymethyl cellulose, and water, followed by drying the dispersion. The ratio of the mass of the inorganic pigment to the mass of the carbon nanotubes is maintained between 1/4 and 1. The second patent focuses on creating a carbon nanotube aqueous dispersion with satisfactory dispersibility, utilizing a mixture of carbon nanotubes, carboxymethyl cellulose, and water, and employing an aqueous counter collision method for dispersion.

Career Highlights

Soyama has worked with prominent companies such as Hokuetsu Kishu Paper Co., Ltd. and Hokuetsu Paper Mills, Ltd. His experience in these organizations has contributed to his expertise in the field of materials science and engineering.

Collaborations

Some of his notable coworkers include Junji Nemoto and Masashi Sato. Their collaboration has likely fostered innovative ideas and advancements in their respective projects.

Conclusion

Toshihiko Soyama's contributions to the field of electromagnetic wave shielding technology are significant and impactful. His innovative patents and collaborations highlight his dedication to advancing materials science.