Location History:
- Hachioji, JP (1994)
- Yokohama, JP (1997)
- Akishima, JP (2003 - 2004)
- Sendai, JP (2003 - 2004)
Company Filing History:
7 out of 42,496 
1 out of 182 
1 out of 87 Years Active: 1994-2004
Title: Yasuhiro Sugawara: Innovator in Semiconductor Technology
Introduction
Yasuhiro Sugawara is a prominent inventor based in Akishima, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 9 patents. His work focuses on enhancing the performance and reliability of semiconductor devices.
Latest Patents
One of Sugawara's latest patents is for an HSG semiconductor capacitor with a migration inhibition layer. This innovation involves forming a first silicon film that extends along the inner surface of trenches in a silicon oxide film. An oxide film is then created on the surface of this first silicon film, followed by the deposition of a second amorphous silicon film. Heat treatment is applied to promote grain growth and seed silicon nuclei, resulting in a granular silicon crystal that lowers the resistance of the lower electrode in capacitance devices. Another notable patent describes a method for forming a semiconductor device with a capacitor that includes a polycrystalline tantalum oxide film dielectric. This integrated semiconductor device boasts improved reliability and is designed for higher integration levels without compromising the electric charge of each information storage capacity element.
Career Highlights
Throughout his career, Yasuhiro Sugawara has worked with notable companies, including Hitachi, Ltd. His expertise in semiconductor technology has positioned him as a key figure in the industry, contributing to advancements that enhance device performance.
Collaborations
Sugawara has collaborated with several professionals in his field, including Misuzu Kanai and Yuzuru Ohji. These collaborations have further enriched his work and contributed to the development of innovative semiconductor solutions.
Conclusion
Yasuhiro Sugawara's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovations continue to influence the development of advanced semiconductor devices.