Company Filing History:
3 out of 35,756 
2 out of 1,458 
2 out of 832,912 Years Active: 2001-2014
Title: Sachiko Edo: Innovator in Semiconductor Technology
Introduction
Sachiko Edo is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. Her innovative work has paved the way for advancements in memory devices, showcasing her expertise and creativity.
Latest Patents
One of her latest patents is a semiconductor device performing a self-refresh operation. This invention allows internal memory cells in multiple memory banks to be refreshed when specific refresh activation signals are supplied. The refresh control circuit is designed to activate a refresh operation in all memory banks upon receiving an auto-refresh command, while it can also refresh a part of the memory banks with a self-refresh command. Another notable patent is for a clock synchronous type semiconductor memory device. This device features a memory cell array arranged in a matrix, a row address decoder, a column decoder, and a sense amplifier circuit. It also includes a clock data storage section that stores clock data related to an external clock signal, enhancing the device's performance and efficiency.
Career Highlights
Throughout her career, Sachiko Edo has worked with notable companies, including NEC Corporation. Her experience in these organizations has contributed to her development as a leading inventor in the semiconductor industry.
Collaborations
Sachiko has collaborated with talented individuals such as Mio Marumoto and Keisuke Goto. These partnerships have fostered innovation and creativity in her projects.
Conclusion
Sachiko Edo's contributions to semiconductor technology are remarkable and impactful. Her patents reflect her dedication to advancing the field, and her collaborations with other professionals further enhance her innovative spirit. Her work continues to influence the industry and inspire future inventors.