Location History:
- Yokohama, JP (1991)
- Machida, JP (1993)
- Tokyo-to, JP (2000)
Company Filing History:
Years Active: 1991-2000
Title: Naotaka Uchitomi: Innovator in Semiconductor Technology
Introduction
Naotaka Uchitomi is a prominent inventor based in Tokyo-to, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on enhancing the performance and reliability of semiconductor devices.
Latest Patents
One of Uchitomi's latest patents is a manufacturing method of compound semiconductor field effect transistors. This innovative method enhances the gate/drain withstand voltage by forming a channel layer through ion implantation into a semi-insulating compound semiconductor substrate. It includes a thermal treatment step to remove crystalline defects, followed by the formation of a compound semiconductor epitaxial layer. This process ensures a high-quality interface between the channel layer and the epitaxial layer, resulting in improved transistor performance.
Another notable patent is for a metal semiconductor device and the method for producing it. This device features an electrode formed on a semiconductor substrate to create a Schottky junction. The electrode is designed with an oxide film of a specific thickness, and the production method involves oxidizing a conductor layer in an oxygen-containing gas, followed by capless annealing in an arsenic atmosphere.
Career Highlights
Uchitomi is associated with Kabushiki Kaisha Toshiba, a leading company in the technology sector. His work at Toshiba has allowed him to push the boundaries of semiconductor technology and contribute to advancements in the field.
Collaborations
Uchitomi has collaborated with notable colleagues, including Kazuya Nishihori and Nobuyuki Toyoda. These partnerships have fostered innovation and have been instrumental in the development of new technologies.
Conclusion
Naotaka Uchitomi's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in the field, showcasing the importance of innovation in technology.