Norio Umezu

Title: **Norio Umezu: Innovator in Nonwoven Fabric Technology**

Introduction

Norio Umezu is a distinguished inventor based in Fukaya, Japan, known for his innovative contributions to the field of nonwoven fabric technology. With a total of three patents to his name, Umezu has significantly advanced the functionality and application of air filtration materials and printing substrates.

Latest Patents

Umezu's latest patents encompass two key inventions. The first patent pertains to an advanced air filter material designed for optimal filtration efficiency. This air filter material features a laminate structure consisting of an air inlet layer and an air outlet layer. The air inlet layer is a needle punched nonwoven fabric with a mean flow pore size ranging from 20 μm to 40 μm, while the outlet layer is made from laminated spunlace nonwoven fabric, ensuring effective air purification with precise pore sizes.

Another remarkable invention involves the development of nonwoven fabrics specifically for printing applications. This innovative fabric utilizes long-stock synthetic resin yarns such as polyethylene and polypropylene, and is equipped with an ink-setting layer that enhances transfer properties and fixing abilities of offset printing inks. The incorporation of specific fillers, such as non-calcined clay and titanium dioxide, further improves the fabric's absorbability and durability against solvents.

Career Highlights

Throughout his career, Norio Umezu has been affiliated with Dynic Corporation, where he has utilized his expertise to push the boundaries of material innovation. His work has not only garnered patents but has also paved the way for new industrial applications of nonwoven technologies, showcasing his commitment to advancing the field.

Collaborations

Umezu's collaborative efforts with esteemed colleagues, including Takuichiro Masuda and Yutaka Saisho, have enriched his projects and driven innovation within Dynic Corporation. These partnerships reflect a synergy that enhances the quality and applicability of their groundbreaking work in nonwoven fabric technology.

Conclusion

Norio Umezu's inventive spirit and dedication to research continue to impact the field of nonwoven materials significantly. His latest patents demonstrate a commitment to innovative solutions that address contemporary challenges in air filtration and printing technologies. As Umezu advances in his career, he remains a pivotal figure in the realm of material science and engineering.