Location History:
- Joonglang-ku, KR (1995)
- Sungnam-shi, KR (1999)
- Seoul, KR (1992 - 2002)
- Kyonggi-do, KR (2003 - 2004)
- Kyunggi-do, KR (1999 - 2005)
- Seongnam-shi, KR (2005)
- Gyeonggi-do, KR (2004 - 2008)
- Yongin-sin, KR (2008)
- Yongin-si, KR (2008 - 2010)
Company Filing History:
40 out of 131,744 
1 out of 832,880 Years Active: 1992-2010
Areas of Expertise:
Title: Innovations of Seung-Keun Lee: A Patent Portfolio Overview
Introduction: Seung-Keun Lee, based in Gyeonggi-do, South Korea, is a prominent inventor with a significant portfolio of 41 patents to his name. His work primarily focuses on advancements in memory device technologies, showcasing a commitment to innovation in electronic engineering.
Latest Patents: Among his latest contributions are two crucial patents: the "Bitline Bias Circuit" and the "NOR Flash Memory Device including the Bitline Bias Circuit." The NOR flash memory device operates with a high voltage supplied from bitline selection transistors and incorporates a bitline bias circuit. This circuit is designed to steadily supply a bias voltage of a constant level to the bitline bias transistor, ensuring that a desired voltage close to the power voltage can be reliably provided. Another noteworthy innovation is the "Charge Pump Circuit Operating Responsive to a Mode." This circuit is adaptable to operate in either test or general operation modes, featuring a voltage level sensing block that detects output voltage levels and generates a corresponding level sensing signal. The oscillator produces complementary pulse signals based on this signal, while the selecting circuit block generates a selected voltage, either a high voltage or a supply voltage, for the charge pump part, increasing operational efficiency.
Career Highlights: Seung-Keun Lee's career has been marked by his tenure at reputable companies including Samsung Electronics Co., Ltd. He has played a crucial role in the advancement of technologies that enhance memory device performance and efficiency, making significant contributions to the field of electronics through his patented inventions.
Collaborations: Throughout his career, Lee has worked alongside talented colleagues such as Byeong-Hoon Lee and Young-Ho Lim. Their collaborations have contributed to the development of innovative technologies and have helped to drive forward the research and implementation of cutting-edge memory solutions.
Conclusion: Seung-Keun Lee's extensive patent portfolio and ongoing contributions to the field of electronic engineering underscore his status as a significant figure in the realm of innovations. His work continues to impact the way memory devices are designed and utilized, paving the way for future advancements in technology.