Isao Makabe

Title: Isao Makabe: Innovator in Nitride Semiconductor Technology

Introduction

Isao Makabe is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of nitride semiconductor devices. With a total of 17 patents to his name, Makabe's work has had a substantial impact on the industry.

Latest Patents

Among his latest patents, one notable invention is a method for manufacturing a nitride semiconductor device. This method involves growing a GaN channel layer on an SiC substrate using a vertical MOCVD furnace. The process includes several steps, such as holding the SiC substrate at a higher temperature and growing an InAlN layer on the GaN channel layer. Another significant patent details a process of forming a semiconductor device primarily made of nitride semiconductor materials. This process includes growing a semiconductor stack, patterning a mask, etching portions of the layers, and growing a contact layer selectively within a recess.

Career Highlights

Isao Makabe has worked with notable companies in the semiconductor industry, including Sumitomo Electric Industries, Limited and Sumitomo Electric Device Innovations, Inc. His experience in these organizations has allowed him to refine his expertise and contribute to groundbreaking advancements in semiconductor technology.

Collaborations

Throughout his career, Makabe has collaborated with esteemed colleagues such as Ken Nakata and Keiichi Yui. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Isao Makabe's contributions to nitride semiconductor technology are noteworthy and have established him as a leading inventor in the field. His innovative methods and processes continue to influence the semiconductor industry, showcasing the importance of his work.