Yasuo Yoshinaka

Title: Yasuo Yoshinaka: Innovator in Polyester Film Technology

Introduction

Yasuo Yoshinaka is a notable inventor based in Shiga, Japan. He has made significant contributions to the field of polyester film technology, holding a total of 3 patents. His innovative work has led to advancements in materials that are widely used in various industries.

Latest Patents

Yasuo Yoshinaka's latest patents include a polyester laminated film and a thermo-shrinkable polyester film. The polyester laminated film features excellent sealing ability, comprising a base film of polyester resin and a sealing film of polyester composition. This sealing film is applied on at least one side of the base film, achieving a sealing energy of 300 g.cm/15 mm or more when two pieces are joined together. The thermo-shrinkable polyester film is derived from a composition that includes terephthalic acid and ethylene glycol. This film exhibits a heat-shrinkage ratio of 30% or more at 100°C, along with a shrinkage ratio of 5% or more at the intersection of internal shrinkage stress and tensile stress curves.

Career Highlights

Throughout his career, Yasuo Yoshinaka has worked with prominent companies such as Toyo Boseki and Sony Corporation. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in polyester film technology.

Collaborations

Yasuo has collaborated with notable coworkers, including Katsuaki Kuze and Tsutomu Isaka. These partnerships have fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies.

Conclusion

Yasuo Yoshinaka's contributions to polyester film technology have made a lasting impact in the industry. His innovative patents and collaborations highlight his dedication to advancing material science.