Location History:
- Seoul, KR (2004 - 2009)
- Icheon-si, KR (2014)
- Gyeonggi-do, KR (2013 - 2016)
- Yongin-si, KR (2021)
Company Filing History:
Years Active: 2004-2021
Title: Innovations of Won Yeol Choi
Introduction
Won Yeol Choi is a prominent inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of memory devices, holding a total of 7 patents. His work focuses on enhancing the efficiency and functionality of nonvolatile memory technologies.
Latest Patents
One of his latest patents is titled "Memory device and operating method thereof." This invention describes a memory device that includes a page with a plurality of memory cells and a peripheral circuit that performs at least one program loop. The program loop consists of a program voltage applying phase and a program verify phase, which ensures that selected memory cells are completely programmed. The device also features control logic that manages the peripheral circuit to perform auxiliary and main verify operations, determining the success of the programming process based on the obtained verify data.
Another notable patent is the "Method of operating nonvolatile memory device controlled by controlling coupling resistance value between bit line and page buffer." This method involves determining whether a program operation is performed on even memory cells and adjusting the coupling resistance value for odd bit lines accordingly. This innovative approach enhances the verification process for threshold voltages of the odd memory cells.
Career Highlights
Throughout his career, Won Yeol Choi has worked with leading companies in the semiconductor industry, including SK Hynix and Hynix Semiconductor. His experience in these organizations has allowed him to develop cutting-edge technologies that advance memory device capabilities.
Collaborations
He has collaborated with notable colleagues such as Eun Joung Lee and Ki Seog Kim, contributing to various projects that push the boundaries of memory technology.
Conclusion
Won Yeol Choi's innovative work in memory devices has significantly impacted the field of nonvolatile memory technology. His patents reflect a deep understanding of memory operations and a commitment to advancing the industry.