Location History:
- Fucyu, JP (2009)
- Koganei, JP (2009 - 2011)
- Fuchu, JP (2012 - 2020)
- Tokyo, JP (2016 - 2024)
Company Filing History:
14 out of 130 
7 out of 190 
5 out of 504 
Years Active: 2009-2024
Title: The Innovative Contributions of Yoshinao Kumagai
Introduction
Yoshinao Kumagai is a notable inventor based in Tokyo, Japan, recognized for his remarkable contributions to the field of materials science. With an impressive total of 23 patents, Kumagai has demonstrated an unwavering commitment to innovation and the advancement of technology.
Latest Patents
Among his latest patents is a novel "Method for growing beta-GaO-based single crystal film." This invention outlines a method utilizing a HYPE (Hydride Vapor Phase Epitaxy) technique. The process involves exposing a GaO-based substrate to a gallium chloride-based gas and an oxygen-including gas, leading to the growth of a β-GaO-based single crystal film at a significant temperature of not less than 900° C. Another noteworthy patent is the "Crystal laminate structure," which aims to provide a β-GaO-based single crystal film with a uniformly incorporated dopant throughout the crystal. This structure allows for the concentration of the dopant to be controllable across a wide range, enhancing its functionality and application potential.
Career Highlights
Yoshinao Kumagai has had a distinguished career, contributing his expertise to prestigious institutions such as the National University Corporation Tokyo University of Agriculture and Technology and Tamura Corporation. His work at these organizations has not only advanced his research but also fostered the development of cutting-edge technologies.
Collaborations
Collaboration has been a significant aspect of Kumagai's career. He has worked alongside esteemed colleagues, including Akinori Koukitu and Hisashi Murakami, sharing insights and driving forward projects that contribute to the field of materials science. Their joint efforts have undoubtedly played a role in enhancing the impact of their respective inventions.
Conclusion
Yoshinao Kumagai's contributions to innovation in the field of materials science, particularly through his patents on β-GaO-based technologies, reflect his dedication to advancing knowledge and practical applications. His collaborations and extensive experience position him as a leader and an inspiration for future inventors and researchers in the industry.
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.