Yoshiro Otomo

Title: Yoshiro Otomo: Innovator in Infrared-Excitable Phosphors

Introduction

Yoshiro Otomo is a notable inventor based in Mitaka, Japan. He has made significant contributions to the field of materials science, particularly in the development of phosphors that emit green light when excited by infrared light. His innovative work has implications for various applications, including lighting and display technologies.

Latest Patents

Yoshiro Otomo holds a patent for the "Process of preparing infrared-excitable sodium rare earth fluoride - A hexagonal NaLnF.sub.4 :Yb.sup.3.sup.+, Er.sup.3.sup.+." This invention has been recognized for its efficiency in emitting green light through infrared excitation. The process involves firing a mixture of Na.sub.2 SiF.sub.6 and coprecipitated Ln.sub.1.sub.-y.sub.-z Yb.sub.y Er.sub.z F.sub.3, with optimum firing conditions identified for the synthesis of NaLnF.sub.4 :Yb.sup.3.sup.+, Er.sup.3.sup.+.

Career Highlights

Yoshiro Otomo is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to explore and develop advanced materials that contribute to the company's reputation for excellence in research and development.

Collaborations

Throughout his career, Yoshiro has collaborated with esteemed colleagues, including Tsuyoshi Kano and Masaki Nakako. These collaborations have fostered a productive environment for innovation and have led to advancements in their respective fields.

Conclusion

Yoshiro Otomo's contributions to the field of infrared-excitable phosphors highlight his role as a significant inventor. His patent and collaborative efforts reflect his commitment to advancing technology and materials science.