Location History:
- Fuchu, JA (1977)
- Fuchu, JP (1980 - 1992)
- Chiyoda-ku, JP (2009 - 2010)
- Tokyo, JP (1994 - 2023)
Company Filing History:
Years Active: 1977-2025
Title: Innovations by Tatsuo Harada in the Semiconductor Industry
Introduction
Tatsuo Harada, an accomplished inventor based in Tokyo, Japan, holds an impressive 21 patents in the semiconductor domain. His work reflects significant advancements in semiconductor technology, often aiming to enhance device performance and reliability.
Latest Patents
Among his latest contributions is a semiconductor device that features a buffer layer positioned on the front surface of a second semiconductor layer. This invention includes at least one opening in the buffer layer, allowing an electrode to make contact with the second semiconductor layer. The design ensures that the buffer layer possesses a higher Vickers hardness compared to the electrode, with specific width restrictions for openings based on the thickness of the materials involved.
In another recent patent, he developed a manufacturing method for a semiconductor device that consists of a substrate, drift layer, base layer, and upper semiconductor layer. This innovative design incorporates a trench leading to the drift layer with a gate electrode inside it, maximizing efficiency in semiconductor manufacturing.
Career Highlights
Tatsuo Harada has had a notable career, working at prestigious companies such as Hitachi, Ltd. and Mitsubishi Electric Corporation. His experience in these leading organizations has greatly influenced his research and development focus, particularly in semiconductor technologies.
Collaborations
Throughout his career, Harada has collaborated with esteemed colleagues, including Toshiaki Kita and Shigeo Moriyama. These partnerships have fostered a dynamic exchange of ideas, driving the progress of innovative semiconductor solutions.
Conclusion
Tatsuo Harada's contributions to the field of semiconductor devices underscore his position as a leading inventor in Japan. With 21 patents to his name and ongoing research and development, his work continues to shape the future of semiconductor technology, paving the way for more efficient and reliable electronic devices.