Location History:
- Gunma, JP (1990)
- Outa, JP (1992)
- Moriguchi, JP (1998)
Company Filing History:
Years Active: 1990-1998
Title: Innovations by Toshimasa Sadakata
Introduction
Toshimasa Sadakata is a notable inventor based in Gunma, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on methods for manufacturing semiconductor integrated circuits, which are crucial for modern electronic devices.
Latest Patents
Sadakata's latest patents include a method of manufacturing a semiconductor integrated circuit apparatus. This method involves forming a lower layer diffusion layer of a metal-insulator-semiconductor-type (MIS-type) condenser by implanting and diffusing phosphorus into an upper portion of an epitaxial layer on a semiconductor substrate. A silicon nitride film is then formed on this layer, followed by a poly-silicon film, all without etching operations. This innovative approach helps prevent the deterioration of dielectric characteristics in MIS-type condensers.
Another significant patent is a method for manufacturing a semiconductor integrated circuit that features an isolating region made up of upper and lower isolating regions. This method allows for the preparation of the upper isolating region through heat treatment for a relatively short time, which reduces lateral diffusion and enhances the density of the semiconductor integrated circuit.
Career Highlights
Toshimasa Sadakata is currently employed at Sanyo Electric Co., Ltd., where he continues to develop advanced semiconductor technologies. His expertise in the field has led to numerous innovations that have impacted the electronics industry.
Collaborations
Sadakata has collaborated with notable colleagues, including Yoshiaki Sano and Nobuyuki Sekikawa. Their combined efforts have contributed to the advancement of semiconductor manufacturing techniques.
Conclusion
Toshimasa Sadakata's contributions to semiconductor technology through his innovative patents have made a significant impact on the industry. His work continues to influence the development of high-density integrated circuits, showcasing the importance of innovation in technology.