Reiji Otsuka

Title: Reiji Otsuka: Innovator in Phosphor Technology

Introduction

Reiji Otsuka is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of phosphor technology, particularly in the development of materials used in lighting applications. With a total of 2 patents to his name, Otsuka's work has had a considerable impact on the industry.

Latest Patents

Otsuka's latest patents include an alkaline earth aluminate phosphor for cold cathode fluorescent lamps. This innovative phosphor is characterized by its ability to emit light when exposed to ultraviolet rays with wavelengths ranging from 180 to 300 nm. The compositional formula for this phosphor is a (PEu)O.(QMn)O.bAlO, where P represents at least one alkaline earth metal element selected from Ba, Sr, and Ca, and Q represents at least one bivalent metal element selected from Mg and Zn. The parameters a, b, x, and y are defined within specific ranges to ensure optimal performance.

Another significant patent by Otsuka is a lanthanum phosphate phosphor designed for vacuum ultraviolet radiation. This phosphor emits light when irradiated with vacuum ultraviolet radiation having a wavelength of at most 200 nm. The composition formula for this phosphor is (La Ce Tb)PO, with x and y satisfying certain numerical conditions.

Career Highlights

Reiji Otsuka is currently associated with Kasei Optonix, Ltd., where he continues to advance his research and development efforts in phosphor technology. His work has been instrumental in enhancing the efficiency and effectiveness of lighting solutions.

Collaborations

Due to space constraints, the details of Otsuka's collaborations will not be covered in this article.

Conclusion

Reiji Otsuka's contributions to phosphor technology exemplify the innovative spirit of modern inventors. His patents reflect a commitment to advancing lighting technology, making him a significant figure in his field.