Location History:
- Mukou, JP (1996 - 1997)
- Nagaokakyo-shi, Kyoto, JP (1999)
- Nagaokakyo, JP (2001 - 2002)
- Kyoto, JP (2001 - 2004)
Company Filing History:
5 out of 655 
2 out of 27,375 
1 out of 832,912 Years Active: 1996-2004
Title: Yasufumi Izutsu: Innovator in Semiconductor Technology
Introduction
Yasufumi Izutsu is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 8 patents. His work has been instrumental in advancing the capabilities of semiconductor devices.
Latest Patents
Izutsu's latest patents include innovative designs and methods for semiconductor devices. One notable patent is for a semiconductor device and method for fabricating the same. This invention features a capacitor device formed on a substrate, which includes a capacitive lower electrode, a capacitive insulating film made of an insulating metal oxide film, and a capacitive upper electrode. An interlevel insulating film with an opening reaching the capacitive upper electrode is also part of the design. Additionally, a metal interconnection, including a titanium film, is formed over the interlevel insulating film to ensure electrical connection to the capacitive upper electrode. An anti-diffusion film with conductivity is incorporated to prevent titanium atoms from diffusing into the capacitive insulating film.
Another significant patent involves the fabrication method of a capacitor for integrated circuits. This method includes forming a titanium film for an adhesion layer over a substrate, followed by creating a titanium dioxide film for a diffusion barrier layer through annealing the titanium film after oxygen ion implantation. This process transforms the surface region of the titanium film into titanium dioxide, allowing for the formation of a high dielectric constant capacitor on the titanium dioxide film.
Career Highlights
Throughout his career, Yasufumi Izutsu has worked with notable companies, including Matsushita Electronics Corporation and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Izutsu has collaborated with several talented individuals in his field, including Yoshihisa Nagano and Yasuhiro Shimada. These collaborations have fostered a creative environment that has led to groundbreaking advancements in semiconductor technology.
Conclusion
Yasufumi Izutsu is a distinguished inventor whose work in semiconductor technology has had a lasting impact on the industry. His innovative patents and collaborations highlight his commitment to advancing technology and improving semiconductor devices.