This inventor holds 7 USPTO granted patents and 3 published patent applications and 3 EPO patents. Top assignees: Sumitomo Electric Industries, Limited, Nara Institute of Science and Technology. Active years: 2015-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nara, JP (2015)
- Ikoma, JP (2015 - 2016)
- Osaka, JP (2018 - 2020)
Company Filing History:

Years Active: 2015-2025
Title: Tomoaki Hatayama: Innovating the Future of Silicon Carbide Semiconductors
Introduction:
In the realm of silicon carbide semiconductor technology, Tomoaki Hatayama stands as a revered innovator, pushing the boundaries of what is possible in the field. Hailing from Osaka, Japan, Hatayama has become widely known for his contributions to the development of epitaxial wafers and silicon carbide devices. This article delves into his latest patents, career highlights, and collaborations, highlighting his journey as a prominent figure in the industry.
Latest Patents:
Among his notable achievements, Hatayama has successfully acquired six patents, each reflecting his expertise in epitaxial wafer manufacturing and silicon carbide semiconductor devices. One of his recent patents is titled "Epitaxial wafer and method for manufacturing the same." This patent discloses an epitaxial wafer with a silicon carbide film featuring a unique groove design, enhancing its characteristics and performance. Additionally, his patent for "Silicon carbide semiconductor with trench gate" showcases an innovative approach to the design and fabrication of silicon carbide devices, improving their operational efficiency and reliability.
Career Highlights:
Throughout his illustrious career, Hatayama has worked with esteemed companies, contributing significantly to their technological advancements. He made considerable contributions at Sumitomo Electric Industries, Limited, a renowned Japanese corporation specializing in various electrical and electronic products. During his tenure, Hatayama helped propel the company's prominence in silicon carbide semiconductor technology.
Furthermore, Hatayama's association with the National University Corporation Nara Institute of Science and Technology further magnifies his influence. The university has consistently nurtured scientific talent, and Hatayama's involvement demonstrates his active participation in academia and research.
Collaborations:
Collaboration has been a crucial aspect of Hatayama's journey, as it has paved the way for groundbreaking innovations. One of his notable collaborators is Takeyoshi Masuda, whose expertise adds immense value to the collective knowledge in silicon carbide semiconductor technology. Additionally, Hatayama has worked closely with Taro Nishiguchi, pooling their skills and knowledge to drive forward technological advancements in the field.
Conclusion:
Tomoaki Hatayama's journey in the realm of silicon carbide semiconductors has been nothing short of extraordinary. With six patents that embody his cutting-edge innovations, he has cemented his name among the industry's elite. Hatayama's impressive career highlights, marked by collaborations with renowned organizations and coworkers, showcase his commitment to driving advancements in silicon carbide semiconductor technology. As he continues to push the boundaries of what is possible, Hatayama undoubtedly remains a key figure in shaping the future of the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile