Location History:
- Chiyoda-ku, JP (2013)
- Akita, JP (2013)
Company Filing History:
2 out of 315 
1 out of 120 
Years Active: 2013
Title: Innovations by Tsuneo Ito: A Pioneer in Epitaxial Substrate Technologies
Introduction: Tsuneo Ito is a notable inventor based in Akita, Japan, known for his contributions to the field of semiconductor materials. With a commendable portfolio that includes two significant patents, Ito has made advancements that enhance the performance of electronic devices.
Latest Patents: Tsuneo Ito's recent patents reflect his innovative approach to semiconductor technology. His first patent, titled "Epitaxial substrate for electronic device and method of producing the same," describes an epitaxial substrate designed to improve vertical breakdown voltage. This substrate comprises a conductive silicon carbide (SiC) single crystal substrate and a buffer insulating layer, with a main laminate formed by epitaxially growing multiple Group III nitride layers. The buffer consists of an initial growth layer, made of BAlGaInN, and a superlattice laminate stacked with layers of varying band gaps to optimize performance.
The second patent, "Semiconductor material, method of making the same, and semiconductor device," presents a semiconductor material featuring a composition graded layer formed on a silicon substrate. This layer is complemented by a superlattice composite layer and a nitride semiconductor layer, which are laminated to enhance the material's properties.
Career Highlights: Tsuneo Ito’s professional journey includes key roles in prominent organizations. He has worked at Dowa Electronics Materials Co., Ltd., where he contributed to the development of novel materials for electronics, and at the National University Corporation Nagoya Institute of Technology, engaging in cutting-edge research and innovation.
Collaborations: Throughout his career, Tsuneo Ito has collaborated with esteemed colleagues such as Ryo Sakamoto and Jo Shimizu. These partnerships have driven forward-thinking research initiatives and contributed to the advancement of semiconductor technologies.
Conclusion: Tsuneo Ito's work continues to influence the semiconductor industry through his innovative patents and collaborative efforts. As technology evolves, his contributions exemplify the importance of research and development in creating effective solutions for electronic devices. His commitment to improving semiconductor materials sets a high standard for future inventors and researchers in the field.