Sumio Yoshida

Title: The Innovative Contributions of Sumio Yoshida

Introduction

Sumio Yoshida is a notable inventor based in Chikusei, Japan. He has made significant contributions to the field of flexible laminate technology. His work has led to advancements that are crucial for various electronic applications.

Latest Patents

Yoshida holds a patent for a "Flexible laminate board, process for manufacturing of the board, and flexible print wiring board." This patent describes a process for producing a flexible laminated sheet that includes one or more laminated bodies, each featuring a metal foil on one side of a resin film. The process involves several steps, including coating a varnish containing polyamic acid onto the metal foil, holding the coated film, drying to remove solvent, and heating to form a resin film containing polyimide resin. This innovative approach allows for precise control over the metal content in the resin film.

Career Highlights

Sumio Yoshida is associated with Hitachi Chemical Company, Ltd., where he has been instrumental in developing new materials and processes. His expertise in flexible laminate technology has positioned him as a key figure in the industry. With a total of 1 patent, his contributions continue to influence the field.

Collaborations

Yoshida has worked alongside talented colleagues such as Masahiko Suzuki and Kazuhito Obata. Their collaborative efforts have further enhanced the innovative capabilities of their team.

Conclusion

Sumio Yoshida's work in flexible laminate technology exemplifies the spirit of innovation. His patent and contributions to Hitachi Chemical Company, Ltd. highlight the importance of research and development in advancing technology.