Location History:
- Osaka, JP (1998 - 2015)
- Itami, JP (2014 - 2020)
Company Filing History:
16 out of 10,250 
4 out of 984 
2 out of 335 
Years Active: 1998-2025
Title: **Masaya Okada: Innovator in Semiconductor and Graphene Technologies**
Introduction
Masaya Okada is a prominent inventor based in Osaka, Japan, recognized for his significant contributions to semiconductor devices and graphene technologies. With an impressive portfolio of 19 patents, Okada continues to push the boundaries of innovation in the field of electronics.
Latest Patents
Two of Okada's latest noteworthy patents include breakthroughs in semiconductor devices and advanced graphene applications. The first patent is a semiconductor device featuring a silicon nitride passivation film. This innovative device includes a substrate and a semiconductor stacking portion formed on the substrate, with a unique silicon nitride passivation film covering the surface. Notably, oxygen atoms exist at the interface between the passivation film and the semiconductor stacking portion, ensuring an optimized performance with a specified interfacial oxygen content.
The second patent outlines a stacked body that includes a graphene film and an electronic device incorporating this film. This stacked body consists of a silicon carbide substrate that allows for a specific angular relationship between its first main surface and the silicon plane. The graphene film, positioned on this surface, demonstrates an atomic arrangement that corresponds with that of the substrate, facilitating high mobility in electronic devices that utilize this graphene film.
Career Highlights
Throughout his career, Masaya Okada has worked with notable institutions such as Sumitomo Electric Industries, Limited and Tohoku University. His expertise and innovative spirit have contributed significantly to the advancement of semiconductor and graphene technologies, making him a reference point for emerging electronics.
Collaborations
Okada has collaborated with distinguished individuals in his field, including Makoto Kiyama and Seiji Yaegashi. These professional relationships have been instrumental in enriching his work and fostering innovative solutions within the realms of semiconductor devices and electronic materials.
Conclusion
Masaya Okada’s ongoing contributions to semiconductor technology and graphene applications position him as a key player in the field of electronic innovations. His extensive patent portfolio showcases his commitment to advancing technology, ultimately paving the way for enhanced electronic devices that leverage the unique properties of these materials.