This inventor holds 8 USPTO granted patents. Top assignees: Nec Corporation, Elpida Memory, Inc.. Active years: 1989-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1989-2009
Title: Taishi Kubota: Innovator in Semiconductor Technology
Introduction
Taishi Kubota is a prominent inventor based in Tokyo, Japan, known for his significant contributions to semiconductor technology. With a total of 8 patents to his name, Kubota has made remarkable advancements in the field, particularly in the development of gate insulating films and semiconductor devices.
Latest Patents
Kubota's latest patents include a method for forming a nitrogen-containing gate insulating film. This innovative method involves forming a silicon oxide film on a silicon substrate, nitriding the top portion of the silicon oxide film to create a thin silicon nitride layer, and subsequently forming a silicon nitride film on this layer using an atomic layer deposition process. This technique results in a gate insulating film with a higher nitrogen concentration while minimizing the nitrogen concentration near the gate insulating film and the silicon substrate. Another notable patent is the manufacturing method of a semiconductor device and oxidization method of a semiconductor substrate. This method focuses on forming an oxide film at the corner portion of a trench in a semiconductor substrate, which is thicker and less stressed than at other areas. The trench is oxidized in an oxygen environment containing dichloroethylene, allowing for improved dielectric breakdown characteristics in the resulting semiconductor device.
Career Highlights
Throughout his career, Taishi Kubota has worked with notable companies such as NEC Corporation and Elpida Memory, Inc. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Kubota has collaborated with esteemed colleagues, including Ichiro Honma and Hirohito Watanabe. These partnerships have further enhanced his work and contributions to the field.
Conclusion
Taishi Kubota stands out as a key figure in semiconductor innovation, with a strong portfolio of patents that reflect his expertise and dedication to advancing technology. His work continues to influence the industry and pave the way for future developments.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

