Shigeru Nakagawa

Title: Shigeru Nakagawa: Innovator in Semiconductor Technology

Introduction

Shigeru Nakagawa is a prominent inventor based in Goleta, California. He has made significant contributions to the field of semiconductor technology, particularly in the development of light-emitting devices. With a total of 10 patents to his name, Nakagawa's work has had a substantial impact on the industry.

Latest Patents

One of Nakagawa's latest patents is for an III-nitride semiconductor light-emitting device featuring a silver p-contact. This innovative device includes an n-type semiconductor layer and an active layer that generates light. The active layer is in electrical contact with the n-type semiconductor layer, while a p-type semiconductor layer is in contact with the active layer. The p-electrode, which includes a layer of silver, is also in electrical contact with the p-type semiconductor layer. In this invention, the silver layer can be designed to be either thin and transparent or thicker to reflect most of the incident light. Another notable patent involves a semiconductor light-emitting device constructed on a substrate, which also utilizes a silver p-contact to enhance its functionality.

Career Highlights

Throughout his career, Nakagawa has worked with esteemed organizations such as the University of California and Agilent Technologies, Inc. His experience in these institutions has allowed him to collaborate on various groundbreaking projects in semiconductor research and development.

Collaborations

Some of Nakagawa's notable coworkers include Norihide Yamada and Larry Allen Coldren. Their collaborative efforts have contributed to advancements in semiconductor technology and innovation.

Conclusion

Shigeru Nakagawa's contributions to the field of semiconductor technology, particularly through his innovative patents, have established him as a key figure in the industry. His work continues to influence the development of advanced light-emitting devices.