Location History:
- Tamano, JP (2006)
- Okayama, JP (2013)
Company Filing History:
2 out of 244 
1 out of 10 
1 out of 982 
Years Active: 2006-2013
Title: The Innovations of Fusao Fujita
Introduction
Fusao Fujita is a notable inventor based in Okayama, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of silicon carbide substrates and devices. With a total of 2 patents, his work has paved the way for advancements in high-frequency electronic components.
Latest Patents
Fujita's latest patents include innovations in silicon carbide substrates and film thickness measuring monitor wafers. One of his patents describes a silicon carbide substrate that achieves a high-frequency loss of equal to or less than 2.0 dB/mm at 20 GHz, making it effective for mounting and operating electronic components. This substrate is heated to temperatures of 2000°C or more to reduce high-frequency loss. Additionally, he has developed a method for manufacturing silicon carbide substrates by chemical vapor deposition (CVD) without the need for nitrogen flow, which also contributes to reducing high-frequency loss.
Another significant patent involves a film thickness measuring monitor wafer designed for practical use in monitoring film thickness on silicon wafers. This invention sets the average surface roughness of the SiC wafer to be equivalent to the film thickness of the film to be deposited, ensuring that the wafer can be used semi-permanently while reducing polishing costs.
Career Highlights
Fusao Fujita has worked with prominent companies such as Mitsui Engineering and Shipbuilding Company Limited and Admap Inc. His experience in these organizations has allowed him to refine his expertise in semiconductor technology and contribute to various innovative projects.
Collaborations
Fujita has collaborated with notable individuals in his field, including Makoto Ebata and Makoto Saito. These collaborations have further enhanced his work and contributed to the development of advanced technologies in semiconductor applications.
Conclusion
Fusao Fujita's contributions to the field of semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations in electronic components.
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.