Tadashi Endo

Title: The Innovations of Tadashi Endo

Introduction

Tadashi Endo is a prominent inventor based in Sendai, Japan. He has made significant contributions to the field of materials science, particularly in the development of phosphors activated by rare earth elements. His work has led to advancements that are crucial for various applications in lighting and display technologies.

Latest Patents

Tadashi Endo holds 2 patents that showcase his innovative approach to phosphor materials. His latest patents include an oxynitride phosphor activated by a rare earth element, represented by the formula Ca Si Al O N : Eu Dy. This invention involves a stabilizing metal (Ca) that is partially substituted by Eu or a combination of Eu and Dy, with specific parameters for x, y, z, m, and n. Additionally, he has developed a sialon type phosphor in powder form, comprising at least 40 wt % of α-sialon, which is represented by the formula (Ca, M)(Si, Al)(O, N). This phosphor includes a structure where Ca sites of Ca-α-sialon are partially substituted by other metals, with defined weight percentages for β-sialon and unreacted silicon nitride.

Career Highlights

Tadashi Endo is affiliated with the National Institute for Materials Science, where he conducts research and development in advanced materials. His work has been instrumental in enhancing the performance and efficiency of phosphor materials used in various technologies.

Collaborations

Throughout his career, Tadashi has collaborated with notable colleagues, including Mamoru Mitomo and Kyouta Ueda. These collaborations have further enriched his research and contributed to the advancement of materials science.

Conclusion

Tadashi Endo's contributions to the field of phosphor materials are significant and impactful. His innovative patents and collaborations highlight his dedication to advancing materials science and technology.