Minoru Hirose

Title: **Innovator Profile: Minoru Hirose of Aichi-ken, Japan**

Introduction

Minoru Hirose is a notable inventor based in Aichi-ken, Japan, recognized for his contributions in the field of light-emitting technology. With three patents to his name, Hirose's work has significantly advanced the capabilities of semiconductor devices.

Latest Patents

Hirose's latest innovations include two cutting-edge patents focused on light-emitting diodes. The first patent, titled "Submount for Light Emitting Diode and Its Manufacturing Method," describes a compact submount that enhances light-emitting diodes. This submount incorporates a Si base substrate with front-side input/output terminals and a Si reflector featuring a sloped through hole and a reflective film. The design ensures efficient integration while minimizing size.

The second patent, "Light-Emitting Semiconductor Device," presents a flip-chip design utilizing Group III nitride-based compounds. This device employs a transparent conductive film made of indium tin oxide (ITO) on a p-type contact layer. An insulation protection film and a reflection film composed of silver (Ag) and aluminum (Al) are layered to reflect light effectively. This innovative arrangement prevents the diffusion of metal atoms, resulting in a light-emitting device that boasts a high external quantum efficiency.

Career Highlights

Throughout his career, Minoru Hirose has collaborated with prestigious companies, including Toyoda Gosei Co., Ltd. and Hitachi Kyowa Engineering Co., Ltd. His experience in these firms has honed his skills and contributed to his mastery in semiconductor technology, specifically in the area of light-emitting devices.

Collaborations

Hirose has worked closely with accomplished colleagues, including Masanori Kojima and Masao Kamiya. These collaborations have facilitated the exchange of ideas and techniques, further driving innovation in their respective fields.

Conclusion

Minoru Hirose's work in the development of advanced light-emitting technologies marks him as a key figure in the field of semiconductor innovation. His patents reflect a commitment to enhancing efficiency and functionality in light-emitting devices, establishing a significant legacy in the industry.