Location History:
- Yokohama, JP (1985 - 2011)
- Kanagawa, JP (2011)
- Osaka, JP (2017)
Company Filing History:
Years Active: 1985-2017
Title: Tetsuya Hattori: Innovator in Semiconductor Technology
Introduction
Tetsuya Hattori is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 8 patents. His innovative work has advanced the manufacturing processes of semiconductor devices, particularly in silicon carbide and optical devices.
Latest Patents
Hattori's latest patents include a method for manufacturing silicon carbide semiconductor devices. This method involves forming an insulating layer on a silicon carbide substrate and etching a contact hole to expose a contact region. The process ensures that the contact region has a surface roughness of not less than 0.5 nm, which is crucial for the subsequent siliciding reaction between the electrode layer and the contact region. Another notable patent is a method of producing a semiconductor optical device. This method includes several steps, such as growing a stacked semiconductor layer and forming a silicon oxide film with specific film stress and thickness. The process culminates in growing a second III-V group compound semiconductor layer in a groove, utilizing the silicon oxide film as a selective mask.
Career Highlights
Throughout his career, Tetsuya Hattori has worked with esteemed companies such as Sumitomo Electric Industries, Limited and Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.
Collaborations
Hattori has collaborated with notable colleagues, including Kazunori Fujimoto and Chie Fukuda. These partnerships have fostered an environment of innovation and have led to the development of several impactful technologies in the semiconductor field.
Conclusion
Tetsuya Hattori's contributions to semiconductor technology are significant and noteworthy. His innovative patents and collaborations have played a vital role in advancing the industry. His work continues to influence the future of semiconductor manufacturing and optical devices.