Location History:
- Tokyo, JP (2002)
- Hyogo, JP (2000 - 2010)
Company Filing History:
7 out of 3,781 
2 out of 21,351 
Years Active: 2000-2010
Title: Jun Sumino: Innovator in Semiconductor Technology
Introduction
Jun Sumino is a prominent inventor based in Hyogo, Japan, known for his significant contributions to semiconductor technology. With a total of 9 patents to his name, he has made remarkable advancements in the fabrication of semiconductor devices.
Latest Patents
One of Jun Sumino's latest patents is a method of fabricating a semiconductor device with a trench isolation structure. This innovative fabrication method includes several steps, such as providing a nitride film on a semiconductor substrate and creating upper and lower trenches with oxide films. This method aims to prevent contact penetration during the interconnection process, enhancing the reliability of semiconductor devices. Another notable patent involves a semiconductor device that features a silicon substrate with element isolation oxide films and a tunnel oxide film. This design allows for the formation of birds beak portions, which improve the electrical characteristics of the gate insulating film.
Career Highlights
Throughout his career, Jun Sumino has worked with leading companies in the semiconductor industry, including Renesas Technology Corporation and Mitsubishi Electric Corporation. His experience in these organizations has contributed to his expertise and innovative capabilities in semiconductor technology.
Collaborations
Jun Sumino has collaborated with notable professionals in the field, including Satoshi Shimizu and Tsuyoshi Sugihara. These collaborations have further enriched his work and contributed to advancements in semiconductor technology.
Conclusion
Jun Sumino's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative methods and designs continue to shape the future of semiconductor devices.