Tsutae Iryou

Title: The Innovative Contributions of Tsutae Iryou

Introduction

Tsutae Iryou is a notable inventor based in Kirishima, Japan. He has made significant contributions to the field of lighting technology through his innovative patents. His work focuses on enhancing the efficiency and safety of wavelength conversion in lighting systems.

Latest Patents

One of Tsutae Iryou's key patents is for a wavelength converter, lighting system, and lighting system assembly. This invention involves a wavelength converter that converts the wavelength of light emitted from a light source. The output light contains wavelengths that have been converted, utilizing a fluorescent substance dispersed in a transparent matrix. The fluorescent substance comprises semiconductor fine particles that include univalent metal elements from alkali metals and silver, along with elements from group III in the periodic table, specifically indium and gallium, and sulfur. Notably, this invention does not substantially contain cadmium and selenium, providing a highly safe composition. The wavelength converter achieves a conversion efficiency equal to or greater than that of converters containing CdSe.

Career Highlights

Tsutae Iryou is associated with Kyocera Corporation, where he has been able to apply his innovative ideas in a practical setting. His work at Kyocera has allowed him to contribute to advancements in lighting technology, making it safer and more efficient.

Collaborations

Throughout his career, Tsutae Iryou has collaborated with notable colleagues, including Masato Fukudome and Fujito Nakakawaji. These collaborations have further enriched his work and contributed to the development of innovative technologies.

Conclusion

In summary, Tsutae Iryou is a distinguished inventor whose work in wavelength conversion technology has made a significant impact on the lighting industry. His innovative approach and commitment to safety in semiconductor materials continue to inspire advancements in this field.