Yasufumi Ueda

Title: **Innovative Contributions of Yasufumi Ueda in Gravure Printing Ink**

Introduction

Yasufumi Ueda, located in Wakayama, Japan, is a prominent inventor known for his significant contributions to the field of printing technology. With a remarkable portfolio of 19 patents, he has developed innovative solutions that improve the environmental impact and performance of printing inks.

Latest Patents

Ueda's latest inventions include two patents for aqueous gravure printing inks. The first patent details an aqueous gravure ink composition containing a pigment, a water-soluble organic solvent, a surfactant, and water. Notably, this formulation utilizes a glycol ether with a boiling point ranging from 100 to 260° C. The ink's composition consists of 1 to 10% by mass of the water-soluble organic solvent and 50 to 80% by mass of water. This innovative ink formulation is designed to minimize environmental impact while providing excellent optical density and drying properties.

The second patent also focuses on an aqueous gravure ink, which contains similar components but differs in specific ratios. In this patent, the glycol ether content is maintained between 1 to 10% by mass, with the total water-soluble organic solvent not exceeding 15% by mass. The ink features an acetylene glycol-based surfactant and comprises 50 to 70% by mass of water, underscoring Ueda's commitment to creating efficient and environmentally friendly ink solutions.

Career Highlights

Yasufumi Ueda has had a distinguished career, having worked with notable companies such as Kao Corporation and Think Laboratory Co., Ltd. His role in these organizations has allowed him to apply his inventive skills to develop high-quality printing products that cater to diverse market needs.

Collaborations

Throughout his career, Ueda has collaborated with talented individuals, including Ryuma Mizushima and Yuta Matsumoto. These partnerships have contributed to the successful development of his patented technologies and expanded the scope of innovation within the industry.

Conclusion

Yasufumi Ueda's inventive spirit and persistent pursuit of innovative solutions in the printing industry have garnered him recognition and respect. His latest patents in aqueous gravure printing inks exemplify his dedication to creating environmentally sustainable products that do not compromise on performance. As he continues to innovate, Ueda remains a significant figure in advancing printing technology.