Location History:
- Hokkaido, JP (2009)
- Tokyo, JP (2023)
Company Filing History:
Years Active: 2009-2023
Title: Noriyoshi Watanabe: Innovator in Semiconductor Technology
Introduction
Noriyoshi Watanabe is a prominent inventor based in Hokkaido, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on innovative semiconductor devices and their manufacturing methods.
Latest Patents
Watanabe's latest patents include a semiconductor device and method for manufacturing a semiconductor device. This invention features a semiconductor device that comprises first and second trenches, with a first layer positioned between them on the principal surface of a semiconductor substrate. The device includes a second layer that contacts and sandwiches the first trench with the first layer, a third layer beneath the second layer, a fourth layer under the third layer but separated from the first trench, and a fifth layer on the principal surface that sandwiches the second trench with the first layer. The second and fourth layers are semiconductors of a first conductivity type, while the first, third, and fifth layers are semiconductors of a second conductivity type. Additionally, a gate trench electrode is provided inside the first trench via an insulating film, and an emitter trench electrode is provided inside the second trench via an insulating film.
Career Highlights
Watanabe is currently employed at Mitsumi Electric Company Ltd., where he continues to develop cutting-edge semiconductor technologies. His work has been instrumental in advancing the capabilities of semiconductor devices, making them more efficient and effective for various applications.
Collaborations
Throughout his career, Watanabe has collaborated with notable colleagues, including Masatoshi Yatago and Naohiro Shiraishi. These collaborations have fostered innovation and contributed to the success of their projects.
Conclusion
Noriyoshi Watanabe is a key figure in the semiconductor industry, with a focus on innovative device design and manufacturing methods. His contributions continue to shape the future of semiconductor technology.