Atsunori Yamauchi

Title: Atsunori Yamauchi: Innovator in Semiconductor Light-Emitting Devices

Introduction

Atsunori Yamauchi is a prominent inventor based in Ushiku, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of light-emitting devices. With a total of 2 patents to his name, his work continues to influence advancements in this area.

Latest Patents

Yamauchi's latest patents focus on semiconductor light-emitting devices. The first patent describes a semiconductor light-emitting device that includes a first clad layer made of a first conductive type of AlGaAsP compound. This device also features a second clad layer adjacent to the first, which comprises a first conductive type of AlGaInP compound with a thickness of up to 0.5 µm. An active layer next to the second clad layer consists of either a first or second conductive type of AlGaInP or GaInP. Additionally, a third clad layer is located next to the active layer, made of a second conductive type of AlGaInP compound, and a fourth clad layer next to the third comprises a second conductive type of AlGaAsP compound. The device may also include a light-extracting layer made of a second conductive type AlGaP or GaP, with a thickness ranging from 1 µm to 100 µm.

Career Highlights

Yamauchi is currently employed at Mitsubishi Chemical Corporation, where he continues to innovate in the field of semiconductor technology. His work has been instrumental in advancing the capabilities of light-emitting devices, which are crucial for various applications in electronics and lighting.

Collaborations

Throughout his career, Yamauchi has collaborated with notable colleagues, including Kenji Shimoyama and Nobuyuki Hosoi. These collaborations have further enriched his research and development efforts in semiconductor technology.

Conclusion

Atsunori Yamauchi is a key figure in the field of semiconductor light-emitting devices, with a focus on innovative technologies that enhance device performance. His contributions through patents and collaborations continue to shape the future of this important industry.