Location History:
- Kawasaki, JP (1988)
- Kanagawa, JP (2005)
- Yokohama, JP (1989 - 2007)
- Kanagawa-ken, JP (2009)
Company Filing History:
Years Active: 1988-2009
Title: Yasunori Usui: Innovator in Semiconductor Technology
Introduction
Yasunori Usui is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 13 patents. His work has been instrumental in advancing the capabilities of various electronic devices.
Latest Patents
Among his latest patents, Usui has developed a novel MOSFET design. This design includes an active region of a first conductivity type on an insulating layer, featuring a first portion that is thicker than a second portion. Additionally, it incorporates a base region with a higher impurity concentration than the first portion of the active region, ensuring effective contact with both the active region and the insulating layer. Furthermore, the design includes a drain region of a second conductivity type and a source region on the base region's surface, all protected by a gate insulating layer and a gate electrode. Another significant patent involves a vertical type semiconductor device and its manufacturing method, which utilizes a rotation ion implanting method to create a semiconductor structure that functions similarly to a super junction structure.
Career Highlights
Yasunori Usui is currently employed at Kabushiki Kaisha Toshiba, a leading company in the technology sector. His innovative work has positioned him as a key figure in the development of advanced semiconductor devices.
Collaborations
Usui has collaborated with notable colleagues, including Hidetoshi Nakanishi and Shigeo Kouzuki. Their combined expertise has contributed to the successful development of groundbreaking technologies in the semiconductor field.
Conclusion
Yasunori Usui's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence the future of electronic devices and semiconductor applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.