Location History:
- Kanagawa, JP (1991)
- Yokohama, JP (1983 - 1998)
- Urawa, JP (1994 - 2007)
Company Filing History:
30 out of 52,711 
2 out of 2,916 
Years Active: 1983-2007
Title: Shizuo Sawada: Innovator in Semiconductor Technology
Introduction
Shizuo Sawada is a prominent inventor based in Yokohama, Japan, with an impressive portfolio of 32 patents. His contributions primarily focus on advancements in semiconductor technology, where he has made significant strides that influence modern electronic devices.
Latest Patents
One of his latest inventions is the "Stacked capacitor-type semiconductor storage device and manufacturing method thereof." This innovation involves the formation of first and second wirings on a first insulating film, which are arranged with a laminated structure comprising a conductive film, a silicon oxide film, and a silicon nitride film. Following the layering, a silicon oxide insulating film is established across the entire surface. The silica insulation undergoes etching to create a contact hole between the first and second wirings. Notably, the silicon oxide and silicon nitride films protect the conductive film of each wiring during the etching process, ensuring that the conductive films remain unexposed. Finally, an insulating film is applied to the side wall of the contact hole, covering the exposed conductive film.
Career Highlights
Shizuo Sawada's career includes significant contributions while working at notable companies such as Toshiba Corporation and Tokyo Shibaura Electric Co., Ltd. His extensive experience in these leading firms has played a crucial role in shaping his innovative perspectives and engineering practices.
Collaborations
Throughout his career, Sawada has collaborated with esteemed colleagues, including Masaki Ogihara and Yusuke Kohyama. Their joint efforts have enriched the development of groundbreaking technologies in semiconductor storage.
Conclusion
Shizuo Sawada's innovative spirit continues to drive progress in semiconductor technology. His extensive array of patents and collaborative endeavors with industry professionals highlight his critical role in shaping the future of electronics. His work not only showcases his expertise but also exemplifies the potential of innovation in transforming industries.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.