This inventor holds 39 USPTO granted patents and 9 published patent applications and 1 EPO patent, primarily in Database Management. Top assignees: Sap Se, Hyosung Heavy Industries Corporation, Samsung Electronics Co., Ltd.. Active years: 2001-2026.
Location History:
- Hungduk-gu, Chungjoo City KR (2001)
- Anyang-Si, KR (2016 - 2018)
- Gunpo-si, KR (2018)
- Anyang, KR (2021)
- Seoul, KR (2013 - 2024)
Company Filing History:
26 out of 6,295 
7 out of 100 
3 out of 132,108 
Years Active: 2001-2026
Areas of Expertise:
Title: Innovations and Contributions of Joo Yeon Lee
Introduction: Joo Yeon Lee is an accomplished inventor based in Seoul, South Korea, known for his significant contributions to technology and engineering through his 37 patents. His work has focused on advanced methodologies and solutions in database operations and power electronics, showcasing his expertise in the field.
Latest Patents: Among Joo Yeon Lee's latest innovations are two remarkable patents. The first, titled "Flexible routing of database operations accessing remote tables," introduces techniques for executing requests related to database operations involving a remote data source. This innovative approach outlines a system where database operations can be effectively assigned to anchor nodes or non-anchor nodes based on the nature of the request, optimizing performance and resource utilization.
The second significant patent is the "Sensorless prediction method of overcurrent in isolated bidirectional DC-DC converter." This method allows for accurate prediction of overcurrents without the need for current sensors, utilizing advanced modeling of current waveforms to enhance the performance of DC-DC converters. By updating inflection point current values via PI control, the method significantly improves overcurrent prediction accuracy.
Career Highlights: Throughout his career, Joo Yeon Lee has demonstrated exceptional innovation while working with renowned organizations. His experience includes significant contributions at SAP SE and Hyosung Heavy Industries Corporation, where he applied his expertise to address complex engineering challenges. His work has made a considerable impact in the fields of database systems and power converters.
Collaborations: Joo Yeon Lee has collaborated with several talented professionals, including renowned coworkers such as Juchang Lee and Kyu Hwan Kim. These collaborations have enriched his work, combining expertise and creativity to drive advancement in technology.
Conclusion: Joo Yeon Lee's impressive portfolio of patents and his impactful contributions to technology reflect his status as a leading inventor in his field. His innovative solutions in database operations and power electronics continue to inspire future developments in these areas. As the landscape of technology evolves, his work will undoubtedly remain influential and relevant.