Norio Iizuka

Title: Norio Iizuka: Innovator in Semiconductor Technology

Introduction

Norio Iizuka is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on innovative light-emitting elements and optical interconnection devices.

Latest Patents

One of his latest patents is for a semiconductor light-emitting element. This invention includes a ring-shaped light-emitting portion on a substrate, a mode-control light waveguide of silicon, and an output light waveguide. The mode-control light waveguide is designed to couple light traveling in either a clockwise or counterclockwise circulating mode, enhancing the efficiency of light emission. Another notable patent is for an optical interconnection device and its manufacturing method. This device features a light-emitting element, a light-receiving element, and an optical waveguide, all formed on a silicon substrate. The design allows for distributed coupling between the light-emitting and light-receiving elements, optimizing optical performance.

Career Highlights

Norio Iizuka has worked with notable companies such as Toshiba Corporation and the Photonics Electronics Technology Research Association. His experience in these organizations has contributed to his expertise in semiconductor technologies and optical devices.

Collaborations

Throughout his career, Iizuka has collaborated with esteemed colleagues, including Kazuya Ohira and Haruhiko Yoshida. These partnerships have fostered innovation and advancement in their respective fields.

Conclusion

Norio Iizuka's contributions to semiconductor technology and optical devices have established him as a key figure in the industry. His innovative patents reflect his commitment to advancing technology and improving optical interconnectivity.