This inventor holds 6 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1990-2000.
Location History:
- Hyogo, JP (1990)
- Itami, JP (1994 - 1996)
- Tokyo, JP (1998 - 2000)
Company Filing History:
Years Active: 1990-2000
Title: Yousuke Yamamoto: Innovator in Optical Semiconductor Technology
Introduction
Yousuke Yamamoto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical semiconductor technology, holding a total of 6 patents. His work focuses on developing advanced devices that enhance optical information processing.
Latest Patents
Yamamoto's latest patents include an integrated semiconductor light generating and detecting device. This optical semiconductor device is designed for optical information processing, such as writing and reading data 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 for a semiconductor light-emitting device. This invention outlines a method for fabricating the device, which involves forming a silicon oxynitride (SiON) film thinner than 50 nm on a stripe region of a first semiconductor layer. The process includes etching the first semiconductor layer using the SiON film as a mask, forming an optical waveguide, and selectively growing a second semiconductor layer as a current blocking layer. This method effectively suppresses material adhesion issues and prevents imperfections in the growth of contact layers.
Career Highlights
Yousuke Yamamoto is currently employed at Mitsubishi Electric Corporation, where he continues to innovate in the field of semiconductor technology. His work has been instrumental in advancing optical devices that are crucial for modern information processing.
Collaborations
Yamamoto collaborates with notable colleagues, including Kazuomi Yoshida and Hideyo Higuchi. Their combined expertise contributes to the development of cutting-edge technologies in the semiconductor industry.
Conclusion
Yousuke Yamamoto's contributions to optical semiconductor technology have positioned him as a key figure in the field. His innovative patents and ongoing work at Mitsubishi Electric Corporation continue to influence advancements in optical information processing.