Location History:
- Kanagawa, JP (2013 - 2016)
- Tokyo, JP (2008 - 2021)
Company Filing History:
10 out of 7,533 
2 out of 3,781 
Years Active: 2008-2021
Title: The Innovative Contributions of Nobuo Tsuboi
Introduction
Nobuo Tsuboi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His work focuses on improving the reliability and efficiency of semiconductor devices, which are crucial components in modern electronics.
Latest Patents
Tsuboi's latest patents include a method of manufacturing semiconductor devices aimed at enhancing their reliability. In this innovative approach, a memory cell array is formed in a product region of a silicon-on-insulator (SOI) substrate, while a test cell array is created in the scribe region. This design allows for the formation of multiple regions in both arrays, ensuring that the test cell array mirrors the configuration of the memory cell array. Additionally, a plurality of plugs is formed in these regions, enabling the detection of potential leak paths in the memory cell array by inspecting the conduction between the plugs. Another notable patent involves a semiconductor device that incorporates a diffusion region and an electrically connected plug within the SOI substrate. This design includes an element isolation portion and a trench that helps prevent unwanted conduction between the semiconductor layer and substrate, even if the plug is misaligned.
Career Highlights
Throughout his career, Nobuo Tsuboi has worked with leading companies in the semiconductor industry, including Renesas Electronics Corporation and Renesas Technology Corporation. His expertise and innovative mindset have allowed him to contribute to various projects that advance semiconductor technology.
Collaborations
Tsuboi has collaborated with notable colleagues such as Motoshige Igarashi and Yoshiki Yamamoto. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies in the semiconductor field.
Conclusion
Nobuo Tsuboi's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the reliability and efficiency of electronic devices, making a lasting impact on the field.