Katsumi Kawaguchi

Title: Innovations by Katsumi Kawaguchi

Introduction

Katsumi Kawaguchi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of packaging materials, particularly in developing gas barrier solutions. With a total of 8 patents to his name, his work has had a considerable impact on the industry.

Latest Patents

Kawaguchi's latest patents include a coating solution for gas barriers, a gas barrier laminate, and packaging materials designed for heat sterilization. The coating solution for a gas barrier comprises an ammonium salt of a polymer with a carboxyl group, a particulate multivalent metallic compound, and water. The content of the multivalent metallic compound is about 0.5-2.0 times the chemical equivalent of the ammonium salt, with a mean particle diameter of about 4 micrometers or less. Additionally, his gas barrier packaging material precursor includes a support, an adhesion layer, a barrier layer, and a protective layer. The adhesion layer contains a silicon compound composite, while the protective layer is made from a coating liquid that includes a polyvalent metal compound, a polyester resin, and a dispersant.

Career Highlights

Throughout his career, Kawaguchi has worked with notable companies such as Toppan Printing Co., Ltd. and Kureha Chemical Industry Company, Limited. His innovative approaches have led to advancements in packaging technology, particularly in enhancing the durability and effectiveness of gas barrier materials.

Collaborations

Kawaguchi has collaborated with esteemed colleagues, including Chisato Fujimura and Noboru Omori. Their combined expertise has contributed to the successful development of various innovative solutions in the field.

Conclusion

Katsumi Kawaguchi's contributions to the field of packaging materials and gas barrier technologies highlight his role as a leading inventor. His patents reflect a commitment to innovation and excellence in the industry.