This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Samsung Electronics Ltd., Samsung Electronics Co., Ltd.. Active years: 2025-2026.
Company Filing History:

Years Active: 2025-2026
Title: Yeji Shin: Innovator in Charge Pump Technology
Introduction
Yeji Shin is a notable inventor based in Suwon-si, South Korea. She has made significant contributions to the field of flash memory technology. Her innovative work has led to the development of a patent that addresses critical issues in charge pump design.
Latest Patents
Yeji Shin holds a patent titled "Charge pump having switch circuits for blocking leakage current during sudden power-off, and flash memory including the same." This invention discloses a charge pump for flash memory that includes a first stage pump connected between an output terminal and a first pump node, as well as a second stage pump connected between the first pump node and a second pump node. The first stage pump features a first switch circuit that connects a power terminal to the first pump node, providing a power supply voltage in response to a first stage signal during normal operation. Additionally, the first pump circuit generates a first pumping voltage using the voltage of the first pump node in response to a first clock signal, supplying this voltage to the output terminal. Importantly, the first switch circuit is designed to block current flow from the first pump node to the power terminal during sudden power-off events.
Career Highlights
Yeji Shin is currently employed at Samsung Electronics Co., Ltd., where she continues to innovate in the field of electronics. Her work has been instrumental in enhancing the efficiency and reliability of flash memory systems.
Collaborations
Yeji collaborates with talented coworkers, including Tae-Hong Kwon and Yoonjae Lee. Their combined expertise contributes to the advancement of technology at Samsung Electronics.
Conclusion
Yeji Shin's contributions to charge pump technology exemplify her innovative spirit and dedication to improving electronic systems. Her patent reflects a significant advancement in flash memory technology, showcasing her role as a leading inventor in the field.