This inventor holds 6 USPTO granted patents and 3 published patent applications. Top assignees: Lapis Semiconductor Co., Ltd., Oki Semiconductor Co., Ltd.. Active years: 2012-2022.
Company Filing History:
Years Active: 2012-2022
Title: Yuuki Doi: Innovator in Semiconductor Technology
Introduction
Yuuki Doi is a prominent inventor based in Miyazaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His work focuses on improving semiconductor devices, particularly in enhancing their structural integrity and performance.
Latest Patents
One of Yuuki Doi's latest patents is for a semiconductor device having a super junction structure with varying width. This innovation reduces the risk of collapse of the wall surrounding the trench and suppresses the withstand voltage fluctuation that accompanies manufacturing variations. The device includes a drift layer of a first conductivity type and a plurality of embedded parts of a second conductivity type, arranged in a manner that optimizes their performance.
Another notable patent is for a trench isolation structure having isolating trench elements. This semiconductor device features an element isolating trench structure that includes an insulating material formed within the trench. The design allows for the formation of semiconductor elements in regions surrounded by the trench, enhancing the overall efficiency and reliability of the device.
Career Highlights
Yuuki Doi has worked with several notable companies in the semiconductor industry, including Lapis Semiconductor Co., Ltd. and Oki Semiconductor Co., Ltd. His experience in these organizations has contributed to his expertise and innovative capabilities in semiconductor technology.
Collaborations
Throughout his career, Yuuki Doi has collaborated with talented individuals such as Takao Kaji and Katsuhito Sasaki. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the semiconductor field.
Conclusion
Yuuki Doi's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations in semiconductor devices.