Seiichi Nagai

Title: Seiichi Nagai: Innovator in Optical Semiconductor Technology

Introduction

Seiichi Nagai is a prominent inventor based in Itami, Japan. He has made significant contributions to the field of optical semiconductor technology, holding a total of 6 patents. His work focuses on developing devices that enhance optical information processing.

Latest Patents

One of Nagai's latest patents is an integrated semiconductor light generating and detecting device. This optical semiconductor device is designed for optical information processing, such as writing and reading information from optical disks. It features a silicon substrate, a light-emitting element, and a reflector that directs light emitted from the element perpendicularly to the substrate's mounting surface. The reflector is crafted by etching a single crystal of silicon, with a reflecting surface inclined at 45 degrees.

Another notable patent is a semiconductor light-emitting device with partial encapsulation. This device provides optically undistorted light and includes a semiconductor light-emitting element along with at least one optical element. The light-emitting element and optical element are encased in a transparent resin, allowing light to travel along an optical path entirely within the resin before exiting the optical element.

Career Highlights

Seiichi Nagai is currently employed at Mitsubishi Electric Corporation, where he continues to innovate in the field of optical semiconductors. His work has been instrumental in advancing technologies that rely on optical information processing.

Collaborations

Nagai has collaborated with notable colleagues, including Mitsuo Ishii and Kazuyoshi Hasegawa. Their combined expertise has contributed to the development of cutting-edge optical devices.

Conclusion

Seiichi Nagai's contributions to optical semiconductor technology have made a lasting impact on the industry. His innovative patents and collaborations highlight his role as a leading inventor in this field.