Masafumi Jo

Title: Masafumi Jo: Innovator in Deep Ultraviolet LED Technology

Introduction

Masafumi Jo is a prominent inventor based in Saitama, Japan, known for his significant contributions to the field of deep ultraviolet LED technology. With a total of five patents to his name, Jo has made remarkable advancements that have the potential to impact various industries.

Latest Patents

One of Jo's latest patents is for a deep ultraviolet LED and the method for producing it. This innovative LED features a complex design that includes a reflecting electrode layer made of gold, a metal layer of nickel, and several layers of gallium nitride (GaN) and aluminum gallium nitride (AlGaN). The design incorporates a two-dimensional reflecting photonic crystal periodic structure that enhances the LED's performance by optimizing the light emission characteristics. Another notable patent is for an ultraviolet light-emitting diode and an electric apparatus that utilizes this LED as a light source. This UV LED element is designed with an n-type conductive layer, a light-emitting layer, an electron block layer, and a p-type contact layer, all arranged to maximize efficiency.

Career Highlights

Throughout his career, Masafumi Jo has worked with esteemed organizations such as Riken Corporation and Marubun Corporation. His work in these companies has allowed him to develop and refine his innovative technologies, contributing to the advancement of ultraviolet light-emitting diodes.

Collaborations

Jo has collaborated with notable colleagues, including Hideki Hirayama and Noritoshi Maeda. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Masafumi Jo's contributions to deep ultraviolet LED technology exemplify the spirit of innovation. His patents and collaborations highlight his commitment to advancing this field, making him a significant figure in the world of inventors.