Yasushi Yamada

Title: Innovations of Yasushi Yamada

Introduction

Yasushi Yamada is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of adhesives, holding a total of seven patents. His work focuses on developing innovative adhesive solutions for various applications, particularly in laminated sheets and food packaging films.

Latest Patents

Yamada's latest patents include a urethane adhesive for laminated sheets. This adhesive comprises a urethane resin obtained by blending an acrylic polyol, carboxylic acids or carboxylic anhydrides, and an isocyanate compound. The adhesive demonstrates excellent initial adhesion to films, peel strength after aging, and hydrolysis resistance under high temperatures. It also ensures that the appearance of the laminated sheet is not adversely affected during the lamination process.

Another notable patent is an adhesive for food packaging films. This adhesive consists of a urethane resin created by mixing a polyesterpolyurethane polyol, a polyester polyol, and an isocyanate component. The polyesterpolyurethane polyol is produced by chain extension of a polyester polyol with an isocyanate compound. This innovative adhesive is designed to enhance the performance of food packaging films.

Career Highlights

Yasushi Yamada has worked with notable companies such as Henkel AG & Company and Mec Company Ltd. His experience in these organizations has contributed to his expertise in adhesive technologies and product development.

Collaborations

Yamada has collaborated with esteemed colleagues, including Noriyoshi Kamai and Takashi Haruta. These partnerships have fostered innovation and advancement in adhesive solutions.

Conclusion

Yasushi Yamada's contributions to adhesive technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to impact various industries, particularly in enhancing the quality and performance of laminated sheets and food packaging films.