Yumi Tsumagari

Title: Yumi Tsumagari: Innovator in Gas-Barrier Technology

Introduction

Yumi Tsumagari is a prominent inventor based in Inuyama, Japan. She has made significant contributions to the field of gas-barrier technology, holding a total of 2 patents. Her work focuses on developing advanced materials that enhance the performance of packaging films.

Latest Patents

Tsumagari's latest patents include innovative gas-barrier multilayer films. One patent describes a gas-barrier multilayer film that consists of a first inorganic thin film layer, a gas-barrier resin composition layer, and a second inorganic thin film layer. This structure is designed to maintain gas-barrier properties even after retortion, ensuring durability and preventing delamination. The gas-barrier resin composition is made from an ethylene-vinyl alcohol-based copolymer, an inorganic layered compound, and specific additives, with precise content ratios to optimize performance.

Career Highlights

Yumi Tsumagari is currently employed at Toyo Boseki Kabushiki Kaisha, where she continues to innovate in the field of materials science. Her expertise in gas-barrier films has positioned her as a key player in the industry, contributing to advancements that benefit various applications in packaging.

Collaborations

Tsumagari collaborates with notable colleagues, including Yoshiharu Morihara and Syuusei Matsuda. These partnerships enhance her research and development efforts, fostering a collaborative environment that drives innovation.

Conclusion

Yumi Tsumagari's contributions to gas-barrier technology exemplify her commitment to innovation and excellence in materials science. Her patents reflect a deep understanding of the complexities involved in creating effective packaging solutions.