This inventor holds 4 USPTO granted patents. Top assignees: Agency of Industrial Science & Technology, Ministry of International Trade & Industry, Agency of Industrial Science and Technology, National Institute of Advanced Industrial Science and Technology. Active years: 2000-2022.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kawanishi, JP (2001)
- Osaka, JP (2003)
- Ikeda, JP (2000 - 2022)
Company Filing History:



Years Active: 2000-2022
Title: **Nobuteru Tsubouchi: Innovator in Diamond Substrates and Surface Hardened Resins**
Introduction
Nobuteru Tsubouchi, an accomplished inventor based in Ikeda, Japan, has made significant contributions to the field of semiconductor technology and materials science. With four patents to his name, Tsubouchi's innovations showcase his expertise in developing advanced materials for various applications.
Latest Patents
Tsubouchi's latest patents reflect his innovative approach and technical proficiency. One notable patent is for a "Stack comprising single-crystal diamond substrate," which involves a stack that includes at least a semiconductor drift layer stacked on a single-crystal diamond substrate with a coalescence boundary. This technology addresses specific characteristics of diamond substrates that can enhance semiconductor performance.
Another significant patent focuses on "Surface hardened resins for disk substrates, methods of manufacture thereof and production devices for the manufacture thereof." This patent details a surface hardening method for resins, designed to reform the surface of a plastic disk substrate efficiently and quickly. The technique involves ion implantation and the formation of a high-hardness thin film, with innovations aimed at increasing the hardening rate through the use of a bias device.
Career Highlights
Throughout his career, Nobuteru Tsubouchi has gained valuable experience working with various organizations, notably the Agency of Industrial Science & Technology and the Ministry of International Trade & Industry. His work with these institutions has allowed him to explore cutting-edge technologies and contribute to advancements in the semiconductor industry.
Collaborations
Tsubouchi has collaborated with notable colleagues, including Akiyoshi Chayahara and Yuji Horino. These collaborations have likely fostered a creative environment that encourages innovation and the exchange of ideas, playing a crucial role in the development of his patented technologies.
Conclusion
In summary, Nobuteru Tsubouchi stands out as a prominent inventor whose work in single-crystal diamond substrates and surface hardened resins has the potential to influence various technological fields. His contributions, characterized by an innovative spirit and collaborative efforts, continue to pave the way for advancements in material science and semiconductor technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile